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Mu M, Yang F, Han B, Tian G, Zhang K. Vermicompost: In situ retardant of antibiotic resistome accumulation in cropland soils. J Environ Sci (China) 2024; 141:277-286. [PMID: 38408828 DOI: 10.1016/j.jes.2023.05.032] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2023] [Revised: 05/18/2023] [Accepted: 05/22/2023] [Indexed: 02/28/2024]
Abstract
The dissemination of antibiotic resistance genes (ARGs) in soil has become a global environmental issue. Vermicomposting is gaining prominence in agricultural practices as a soil amendment to improve soil quality. However, its impact on soil ARGs remains unclear when it occurs in farmland. We comprehensively explored the evolution and fate of ARGs and their hosts in the field soil profiles under vermicompost application for more than 3 years. Vermicompost application increased several ARG loads in soil environment but decreased the high-risk bla-ARGs (blaampC, blaNDM, and blaGES-1) by log(0.04 - 0.43). ARGs in soil amended with vermicompost primarily occurred in topsoil (approximately 1.04-fold of unfertilized soil), but it is worth noting that their levels in the 40-60 cm soil layer were the same or even less than in the unfertilized soil. The microbial community structure changed in soil profiles after vermicompost application. Vermicompost application altered the microbial community structure in soil profiles, showing that the dominant bacteria (i.e., Proteobacteria, Actinobacteriota, Firmicutes) were decreased 2.62%-5.48% with the increase of soil depth. A network analysis further revealed that most of ARG dominant host bacteria did not migrate from surface soil to deep soil. In particular, those host bacteria harboring high-risk bla-ARGs were primarily concentrated in the surface soil. This study highlights a lower risk of the propagation of ARGs caused by vermicompost application and provides a novel approach to reduce and relieve the dissemination of ARGs derived from animals in agricultural production.
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Affiliation(s)
- Meirui Mu
- Agro-Environmental Protection Institute, Ministry of Agriculture and Rural Affairs, Tianjin 300191, China
| | - Fengxia Yang
- Agro-Environmental Protection Institute, Ministry of Agriculture and Rural Affairs, Tianjin 300191, China.
| | - Bingjun Han
- Agro-Environmental Protection Institute, Ministry of Agriculture and Rural Affairs, Tianjin 300191, China
| | - Guisheng Tian
- Wuxue City Agriculture and Rural Bureau, Wuhan 435400, China
| | - Keqiang Zhang
- Agro-Environmental Protection Institute, Ministry of Agriculture and Rural Affairs, Tianjin 300191, China; Key Laboratory of Low-carbon Green Agriculture in North China, Ministry of Agriculture and Rural Affairs P. R. China, Beijing 10083, China.
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2
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Yu Z, Liu Z, Sun L, Dong C, Jin Y, Hu B, Cheng D. Mobile genetic elements mediate the cross-media transmission of antibiotic resistance genes from pig farms and their risks. Sci Total Environ 2024; 926:172115. [PMID: 38569972 DOI: 10.1016/j.scitotenv.2024.172115] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/08/2024] [Revised: 03/28/2024] [Accepted: 03/28/2024] [Indexed: 04/05/2024]
Abstract
Manure composting in traditional small-scale pig farms leads to the migration and diffusion of antibiotics and antibiotics resistance genes (ARGs) along the chain of transmission to the surrounding environment, increasing the risk of environmental resistance. Understanding the transmission patterns, driving factors, and health risks of ARGs on small-scale pig farms is important for effective control of ARGs transmission. This study was conducted on a small pig farm and its surrounding environment. The cross-media transmission of ARGs and their risks in the farming habitat were investigated using Metagenomic annotation and qPCR quantitative detection. The results indicate that ARGs in farms spread with manure pile-soil-channel sediment-mudflat sediment. Pig farm manure contributed 22.49 % of the mudflat sediment ARGs. Mobile genetic elements mediate the spread of ARGs across different media. Among them, tnpA and IS26 have the highest degree. Transmission of high-risk ARGs sul1 and tetM resulted in a 50 % and 116 % increase in host risk for sediment, respectively. This study provides a basis for farm manure management and control of the ARGs spread.
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Affiliation(s)
- Zhendi Yu
- School of Medical Technology and Information Engineering, Zhejiang Chinese Medical University, Hangzhou 310053, China.
| | - Zishu Liu
- College of Environmental and Resource Sciences, Zhejiang University, Hangzhou 310058, China.
| | - Lingtao Sun
- College of Environmental and Resource Sciences, Zhejiang University, Hangzhou 310058, China.
| | - Chifei Dong
- College of Environmental and Resource Sciences, Zhejiang University, Hangzhou 310058, China.
| | - Yan Jin
- School of Medical Technology and Information Engineering, Zhejiang Chinese Medical University, Hangzhou 310053, China.
| | - Baolan Hu
- College of Environmental and Resource Sciences, Zhejiang University, Hangzhou 310058, China.
| | - Dongqing Cheng
- School of Medical Technology and Information Engineering, Zhejiang Chinese Medical University, Hangzhou 310053, China.
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Visca A, Di Gregorio L, Clagnan E, Bevivino A. Sustainable strategies: Nature-based solutions to tackle antibiotic resistance gene proliferation and improve agricultural productivity and soil quality. Environ Res 2024; 248:118395. [PMID: 38307185 DOI: 10.1016/j.envres.2024.118395] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/20/2023] [Revised: 01/29/2024] [Accepted: 01/30/2024] [Indexed: 02/04/2024]
Abstract
The issue of antibiotic resistance is now recognized by the World Health Organisation (WHO) as one of the major problems in human health. Although its effects are evident in the healthcare settings, the root cause should be traced back to the One Health link, extending from animals to the environment. In fact, the use of organic fertilizers in agroecosystems represents one, if not the primary, cause of the introduction of antibiotics and antibiotic-resistant bacteria into the soil. Since the concentrations of antibiotics introduced into the soil are residual, the agroecosystem has become a perfect environment for the selection and proliferation of antibiotic resistance genes (ARGs). The continuous influx of these emerging contaminants (i.e., antibiotics) into the agroecosystem results in the selection and accumulation of ARGs in soil bacteria, occasionally giving rise to multi-resistant bacteria. These bacteria may harbour ARGs related to various antibiotics on their plasmids. In this context, these bacteria can potentially enter the human sphere when individuals consume food from contaminated agroecosystems, leading to the acquisition of multi-resistant bacteria. Once introduced into the nosocomial environment, these bacteria pose a significant threat to human health. In this review, we analyse how the use of digestate as an organic fertilizer can mitigate the spread of ARGs in agroecosystems. Furthermore, we highlight how, according to European guidelines, digestate can be considered a Nature-Based Solution (NBS). This NBS not only has the ability to mitigate the spread of ARGs in agroecosystems but also offers the opportunity to further improve Microbial-Based Solutions (MBS), with the aim of enhancing soil quality and productivity.
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Affiliation(s)
- Andrea Visca
- Department for Sustainability, Biotechnologies and Agroindustry Division, ENEA, Italian National Agency for New Technologies, Energy and Sustainable Economic Development, Casaccia Research Center, Via Anguillarese 301, 00123, Rome, Italy.
| | - Luciana Di Gregorio
- Department for Sustainability, Biotechnologies and Agroindustry Division, ENEA, Italian National Agency for New Technologies, Energy and Sustainable Economic Development, Casaccia Research Center, Via Anguillarese 301, 00123, Rome, Italy
| | - Elisa Clagnan
- Department for Sustainability, Biotechnologies and Agroindustry Division, ENEA, Italian National Agency for New Technologies, Energy and Sustainable Economic Development, Casaccia Research Center, Via Anguillarese 301, 00123, Rome, Italy
| | - Annamaria Bevivino
- Department for Sustainability, Biotechnologies and Agroindustry Division, ENEA, Italian National Agency for New Technologies, Energy and Sustainable Economic Development, Casaccia Research Center, Via Anguillarese 301, 00123, Rome, Italy
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4
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Kaur L, Singh J, Ashok A, Kumar V. Design expert based optimization of the pyrolysis process for the production of cattle dung bio-oil and properties characterization. Sci Rep 2024; 14:9421. [PMID: 38658602 DOI: 10.1038/s41598-024-57843-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2023] [Accepted: 03/22/2024] [Indexed: 04/26/2024] Open
Abstract
This study aimed to optimize pyrolysis conditions to maximize bio-oil yield from cattle dung, a waste product of livestock practices. Pyrolysis of cattle dung was carried out in batch type reactor. The pyrolysis process was optimized using a central composite design in response surface methodology, with conversion parameters such as pyrolysis temperature, vapor cooling temperature, residence time, and gas flow rate taken into account. The cattle dung bio-oil was analyzed using gas chromatography/mass spectroscopy (GC/MS), an elemental analyzer, a pH probe, and a bomb calorimeter. Furthermore, the ASTM standard procedures were used to determine the bio-fuel characteristics. The optimized conditions were found to be a pyrolysis temperature of 402 °C, a vapor cooling temperature of 2.25 °C, a residence time of 30.72 min, and a gas flow rate of 1.81 l min-1, resulting in a maximum bio-oil yield of 18.9%. According to the findings, the yield of bio-oil was predominantly affected by pyrolysis temperature and vapor cooling temperature. Moreover, the bio-oil that was retrieved was discovered to be similar to conventional liquid fuels in numerous ways.
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Affiliation(s)
- Lovepreet Kaur
- Department of Farm Machinery & Power Engineering, G B Pant University of Agriculture & Technology, Pantnagar, Uttarakhand, 263145, India.
| | - Jayant Singh
- Department of Farm Machinery & Power Engineering, G B Pant University of Agriculture & Technology, Pantnagar, Uttarakhand, 263145, India
| | - Alaknanda Ashok
- Department of Electrical Engineering, G B Pant University of Agriculture & Technology, Pantnagar, Uttarakhand, 263145, India
| | - Vijay Kumar
- Department of Biosciences, Swami Rama Himalayan University, Dehradun, Uttarakhand, 248016, India
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Gyte A, Kelsey A. Working with cattle slurry on farms: emission and dispersion of hydrogen sulfide gas during stirring. Ann Work Expo Health 2024; 68:387-396. [PMID: 38527239 DOI: 10.1093/annweh/wxae020] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2023] [Accepted: 03/15/2024] [Indexed: 03/27/2024] Open
Abstract
Over the past 15 years, there have been numerous fatalities related to working with animal slurry. Working with cattle slurry releases toxic gases, in particular, hydrogen sulphide (H2S), which can cause acute central nervous system toxicity, breathing difficulties, and death if exposed to high concentrations. Real-time measurements of H2S gas were taken over distance and time, during the stirring of cattle slurry on farms. Gas was measured at eight slurry stores with differing typical configurations of indoor or outdoor stores and with or without slatted flooring. Highest H2S gas levels were measured from indoor stores under slatted floors, and generally at positions closest to the stirrer or the point of maximum stirring, with levels decreasing with distance from source. Most of the data indicate H2S gas levels increase very rapidly after stirring starts, and mostly decline to baseline levels within 30 min post start of stirring. There were, however, circumstances where gas levels remained high and only started to decline once the stirrer had stopped. H2S gas levels at all farms, at all positions measured were consistently below 10 ppm within 30 min of the stirrer being stopped. The current data highlight areas of the farm and ways of working that have the potential for workers and others to be at risk of exposure to toxic slurry gases. The area should be left to ventilate naturally for at least 30 min after the stirrer has been stopped before re-entering buildings. Influencing the design of stirring equipment and future slurry stores would likely reduce the risk of worker exposure to slurry gases.
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Affiliation(s)
- Amy Gyte
- The Health and Safety Executive, The HSE Science and Research Centre, Harpur Hill, Buxton, Derbyshire SK17 9JN, United Kingdom
| | - Adrian Kelsey
- The Health and Safety Executive, The HSE Science and Research Centre, Harpur Hill, Buxton, Derbyshire SK17 9JN, United Kingdom
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Sun Y, Staley ZR, Woodbury B, Riethoven JJ, Li X. Composting reduces the risks of resistome in beef cattle manure at the transcriptional level. Appl Environ Microbiol 2024; 90:e0175223. [PMID: 38445903 PMCID: PMC11022583 DOI: 10.1128/aem.01752-23] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2023] [Accepted: 02/16/2024] [Indexed: 03/07/2024] Open
Abstract
Transcriptomic evidence is needed to determine whether composting is more effective than conventional stockpiling in mitigating the risk of resistome in livestock manure. The objective of this study is to compare composting and stockpiling for their effectiveness in reducing the risk of antibiotic resistance in beef cattle manure. Samples collected from the center and the surface of full-size manure stockpiling and composting piles were subject to metagenomic and metatranscriptomic analyses. While the distinctions in resistome between stockpiled and composted manure were not evident at the DNA level, the advantages of composting over stockpiling were evident at the transcriptomic level in terms of the abundance of antibiotic resistance genes (ARGs), the number of ARG subtypes, and the prevalence of high-risk ARGs (i.e., mobile ARGs associated with zoonotic pathogens). DNA and transcript contigs show that the pathogen hosts of high-risk ARGs included Escherichia coli O157:H7 and O25b:H4, Klebsiella pneumoniae, and Salmonella enterica. Although the average daily temperatures for the entire composting pile exceeded 55°C throughout the field study, more ARG and ARG transcripts were removed at the center of the composting pile than at the surface. This work demonstrates the advantage of composting over stockpiling in reducing ARG risk in active populations in beef cattle manure.IMPORTANCEProper treatment of manure before land application is essential to mitigate the spread of antibiotic resistance in the environment. Stockpiling and composting are two commonly used methods for manure treatment. However, the effectiveness of composting in reducing antibiotic resistance in manure has been debated. This work compared the ability of these two methods to reduce the risk of antibiotic resistance in beef cattle manure. Our results demonstrate that composting reduced more high-risk resistance genes at the transcriptomic level in cattle manure than conventional stockpiling. This finding not only underscores the effectiveness of composting in reducing antibiotic resistance in manure but also highlights the importance of employing RNA analyses alongside DNA analyses.
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Affiliation(s)
- Yuepeng Sun
- School of Ecology and Environment, Inner Mongolia University, Hohhot, China
- Department of Civil and Environmental Engineering, University of Nebraska-Lincoln, Lincoln, Nebraska, USA
| | - Zachery R. Staley
- Department of Civil and Environmental Engineering, University of Nebraska-Lincoln, Lincoln, Nebraska, USA
| | - Bryan Woodbury
- USDA-ARS U.S. Meat Animal Research Center, Clay Center, Clay Center, Nebraska, USA
| | - Jean-Jack Riethoven
- Center for Biotechnology, University of Nebraska-Lincoln, Lincoln, Nebraska, USA
| | - Xu Li
- Department of Civil and Environmental Engineering, University of Nebraska-Lincoln, Lincoln, Nebraska, USA
- Department of Animal Science, University of Nebraska-Lincoln, Lincoln, Nebraska, USA
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7
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Alonso LL, Podio NS, Marino DJG, Almada NS, Gange JM, Bernigaud I, Mórtola N, Wunderlin DA. Evaluating antibiotic occurrence, degradation, and environmental risks in poultry litter within Argentina's agricultural hub. Sci Total Environ 2024; 920:170993. [PMID: 38369140 DOI: 10.1016/j.scitotenv.2024.170993] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/15/2023] [Revised: 02/13/2024] [Accepted: 02/13/2024] [Indexed: 02/20/2024]
Abstract
This study explores the relationship between poultry farming's antibiotic administration practices and residual antibiotic levels in the litter before its application onto agricultural soils. Twenty-three antibiotics were performed across 19 Argentinean farms representing diverse antibiotic management practices. Analysis revealed up to 20 antibiotics from eight chemical classes in poultry litter samples, with tylosin, enrofloxacin, and salinomycin being the most relevant drugs. Farms with restricted antibiotic use in feed exhibited lower residual concentrations. A self-heating treatment was tested to reduce litter antibiotic levels. Although a 60 % reduction of antibiotics was found after treatment, prevalent compounds persisted at residual levels. Regulatory measures and comprehensive litter treatments pre-application are crucial to mitigate environmental risks. This is the first study that provides insight on the occurrence of >20 drugs in real poultry production scenarios from Latin America and demonstrates how relatively simple treatments can be readily applied to decrease the associated environmental risks.
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Affiliation(s)
- Lucas L Alonso
- CONICET, ICYTAC and Universidad Nacional de Córdoba, Facultad de Ciencias Químicas, Dpto. Química Orgánica, Ciudad Universitaria, Bv. Juan Filloy s/n, 5000 Córdoba, Argentina; Catalan Institute for Water Research (ICRA-CERCA), Emili Grahit 101, 17003 Girona, Catalunya, Spain; Universitat de Girona (UdG), Girona, Spain.
| | - Natalia S Podio
- CONICET, ICYTAC and Universidad Nacional de Córdoba, Facultad de Ciencias Químicas, Dpto. Química Orgánica, Ciudad Universitaria, Bv. Juan Filloy s/n, 5000 Córdoba, Argentina
| | - Damián J G Marino
- CONICET, CIM and Universidad Nacional de La Plata, Facultad de Ciencias Exactas, Dpto. Química, Calle 47 y 115 s/n, 1900 Buenos Aires, Argentina
| | - Natalia S Almada
- INTA, Estación Experimental Agropecuaria Concepción del Uruguay, R. P. 39, Km, CC 6, 3260, Entre Ríos, Argentina
| | - Juan M Gange
- INTA, Estación Experimental Agropecuaria Concepción del Uruguay, R. P. 39, Km, CC 6, 3260, Entre Ríos, Argentina
| | - Irma Bernigaud
- INTA, Estación Experimental Agropecuaria Concepción del Uruguay, R. P. 39, Km, CC 6, 3260, Entre Ríos, Argentina
| | - Natalia Mórtola
- INTA, Estación Experimental Agropecuaria Concepción del Uruguay, R. P. 39, Km, CC 6, 3260, Entre Ríos, Argentina
| | - Daniel A Wunderlin
- CONICET, ICYTAC and Universidad Nacional de Córdoba, Facultad de Ciencias Químicas, Dpto. Química Orgánica, Ciudad Universitaria, Bv. Juan Filloy s/n, 5000 Córdoba, Argentina
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Jafari M, Ghasemi-Soloklui AA, Kordrostami M. Enhancing nutritional status, growth, and fruit quality of dried figs using organic fertilizers in rain-fed orchards: A case study in Estahban, Iran. PLoS One 2024; 19:e0300615. [PMID: 38568985 PMCID: PMC10990164 DOI: 10.1371/journal.pone.0300615] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2023] [Accepted: 03/12/2024] [Indexed: 04/05/2024] Open
Abstract
The majority of Iranian fig production is exported, making it one of the world's most well-known healthy crops. Therefore, the main objective of the current experiment was to investigate the effects of various types of organic fertilizers, such as animal manure (cow and sheep), bird manure (partridge, turkey, quail, and chicken), and vermicompost, on the nutritional status of trees, vegetative and reproductive tree characteristics, fruit yield, and fruit quality traits in dried fig cultivar ("Sabz"). According to the findings, applying organic fertilizers, particularly turkey and quail, significantly improves vegetative and reproductive characteristics. However, other manures such as sheep, chicken, and vermicompost had a similar effect on the growth parameters of fig trees. Additionally, the findings indicated that except for potassium, use of all organic fertilizers had an impact on macro and microelements such as phosphorus, nitrogen, and sodium amount in fig tree leaves. Also, based on fruit color analysis in dried figs, the use of all organic fertilizers improved fruit color. Moreover, the analyses fruit biochemical showed that the use of some organic fertilizers improved that TSS and polyphenol compounds such as coumarin, vanillin, hesperidin gallic acid and trans frolic acid. In general, the results indicated that the addition of organic fertilizers, especially turkey manure, led to increased vegetative productivity and improvement in the fruit quality of the rain-fed fig orchard.
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Affiliation(s)
- Moslem Jafari
- Fig Research Station, Fars Agricultural and Natural Resources Research and Education Center, Agricultural Research, Education and Extension Organization (AREEO), Estahban, Iran
| | - Ali Akbar Ghasemi-Soloklui
- Nuclear Agriculture Research School, Nuclear Science and Technology Research Institute (NSTRI), Karaj, Iran
| | - Mojtaba Kordrostami
- Nuclear Agriculture Research School, Nuclear Science and Technology Research Institute (NSTRI), Karaj, Iran
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9
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Li L, Liu X, Li J, Chen Z, Song T, Jin S, Zhu C, Luo L, Geng B, Zhu J. Mitigating Tetracycline antibiotic contamination in chicken manure using ex situ fermentation system. J Environ Manage 2024; 356:120614. [PMID: 38513588 DOI: 10.1016/j.jenvman.2024.120614] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/27/2023] [Revised: 02/21/2024] [Accepted: 03/10/2024] [Indexed: 03/23/2024]
Abstract
Excessive use of tetracycline antibiotics in poultry farming results in significant concentrations of these drugs and tetracycline resistance genes (TRGs) in chicken manure, impacting both environmental and human health. Our research represents the first investigation into the removal dynamics of chlortetracycline (CTC) and TRGs in different layers of an ex situ fermentation system (EFS) for chicken waste treatment. By pinpointing and analyzing dominant TRGs-harboring bacteria and their interactions with environmental variables, we've closed an existing knowledge gap. Findings revealed that CTC's degradation half-lives spanned 3.3-5.8 days across different EFS layers, and TRG removal efficiency ranged between 86.82% and 99.52%. Network analysis highlighted Proteobacteria and Actinobacteria's essential roles in TRGs elimination, whereas Chloroflexi broadened the potential TRG hosts in the lower layer. Physical and chemical conditions within the EFS influenced microbial community diversity, subsequently impacting TRGs and integrons. Importantly, our study reports that the middle EFS layer exhibited superior performance in eliminating CTC and key TRGs (tetW, tetG, and tetX) as well as intI2. Our work transcends immediate health and environmental remediation by offering insights that encourage sustainable agriculture practices.
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Affiliation(s)
- Luyao Li
- Institute of Environment and Sustainable Development in Agriculture, Chinese Academy of Agricultural Sciences, Beijing, 100081, PR China
| | - Xue Liu
- Institute of Environment and Sustainable Development in Agriculture, Chinese Academy of Agricultural Sciences, Beijing, 100081, PR China
| | - Jiabin Li
- Institute of Environment and Sustainable Development in Agriculture, Chinese Academy of Agricultural Sciences, Beijing, 100081, PR China
| | - Zhuobo Chen
- Institute of Environment and Sustainable Development in Agriculture, Chinese Academy of Agricultural Sciences, Beijing, 100081, PR China
| | - Tingting Song
- Institute of Environment and Sustainable Development in Agriculture, Chinese Academy of Agricultural Sciences, Beijing, 100081, PR China
| | - Shan Jin
- Institute of Environment and Sustainable Development in Agriculture, Chinese Academy of Agricultural Sciences, Beijing, 100081, PR China
| | - Changxiong Zhu
- Institute of Environment and Sustainable Development in Agriculture, Chinese Academy of Agricultural Sciences, Beijing, 100081, PR China
| | - Liangguo Luo
- Institute of Environment and Sustainable Development in Agriculture, Chinese Academy of Agricultural Sciences, Beijing, 100081, PR China
| | - Bing Geng
- Institute of Environment and Sustainable Development in Agriculture, Chinese Academy of Agricultural Sciences, Beijing, 100081, PR China.
| | - Jie Zhu
- Institute of Environment and Sustainable Development in Agriculture, Chinese Academy of Agricultural Sciences, Beijing, 100081, PR China.
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10
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Lee PE, Kwon EH, Kim SH, Kim MS, Kang JG, Lee DJ. Establishment of an inspection standard for decomposition and methane production rates of organic waste co-digestion facilities in Korea. J Environ Manage 2024; 356:120578. [PMID: 38547826 DOI: 10.1016/j.jenvman.2024.120578] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/18/2023] [Revised: 02/22/2024] [Accepted: 03/09/2024] [Indexed: 04/07/2024]
Abstract
Domestic organic waste resources have increased over the past decade and treatment of this waste via co-digested biogasification facilities is increasing annually. However, inspection standards for such facilities are not well-established. Herein, we aimed to derive calculation formulas and factors related to organic matter decomposition efficiency and methane production rate in accordance with waste treatment facility inspection standards. We also aimed to determine the optimum waste mixing ratio. Sample (field) surveys of 18 treatment facilities and complete enumeration of 110 facilities were conducted. Calculation formulas and factors were derived using the survey data and biochemical methane potential (BMP) test. The calculated coefficients derived through the BMP test were 0.512 m3 CH4/kgVSin for food waste, 0.601 m3 CH4/kgVSin for livestock manure, and 0.382 m3 CH4/kgVSin for sewage sludge. The final derived calculation factors were 65.0% for food waste, 36.0% for livestock manure, and 20.0% for sewage sludge for organic matter decomposition efficiency, and 0.380 m3 CH4/kgVSin for food waste, 0.27 m3 CH4/kgVSin for livestock manure, and 0.140 m3 CH4/kgVSin for sewage sludge for methane production rates. The derived effective capacity calculation factors can be utilized in future waste treatment facility inspection methods by aiding in the establishment of appropriate inspection standards for co-digested biogasification facilities other than single food waste treatment facilities. In addition, the optimum mixing ratio can be used as design data for co-digested biogasification facilities.
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Affiliation(s)
- Pul-Eip Lee
- Waste-to-Energy Research Division, Environmental Resources Research Department, National Institute of Environmental Research, South Korea
| | - Eun-Hye Kwon
- Waste-to-Energy Research Division, Environmental Resources Research Department, National Institute of Environmental Research, South Korea
| | - Su-Hyang Kim
- Waste-to-Energy Research Division, Environmental Resources Research Department, National Institute of Environmental Research, South Korea
| | - Min-Sang Kim
- Dongguk University, Department of Biological and Environmental Science, South Korea
| | - Jun-Gu Kang
- Waste-to-Energy Research Division, Environmental Resources Research Department, National Institute of Environmental Research, South Korea
| | - Dong-Jin Lee
- Waste-to-Energy Research Division, Environmental Resources Research Department, National Institute of Environmental Research, South Korea.
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11
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Luo Q, Wang H, Lu X, Wang C, Chen R, Cheng J, He T, Fu T. Potential of combined reactor and static composting applications for the removal of heavy metals and antibiotic resistance genes from chicken manure. J Environ Manage 2024; 356:120592. [PMID: 38508009 DOI: 10.1016/j.jenvman.2024.120592] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/07/2023] [Revised: 03/01/2024] [Accepted: 03/10/2024] [Indexed: 03/22/2024]
Abstract
Chicken manure (CM) can pose a serious threat to environmental and human health, and need to be managed properly. The compost can effectively treat CM. However, there is limited research on the heavy metals and antibiotic resistance genes (ARGs) during compost CM. In this study, the combined application of reactor and static composting (RSC) was used to produce organic fertilizer of CM (OCM), and heavy metals, ARGs and bacterial community structure was investigated. The results show that RSC could be used to produce OCM, and OCM meet the National organic fertilizer standard (NY/T525-2021). Compared to the initial CM, DTPA-Cu, DTPA-Zn, DTPA-Pb, DTPA-Cr, DTPA-Ni and DTPA-As in OCM decreased by 40.83%, 23.73%, 34.27%, 38.62%, 16.26%, and 43.35%, respectively. RSC decreased the relative abundance of ARGs in CM by 84.06%, while the relative abundance of sul1 and ermC increased. In addition, the relative abundance and diversity of ARGs were mainly influenced by the bacterial community, with Actinobacteria, Firmicutes, and Proteobacteria becoming the dominant phyla during composting, and probably being the main carriers and dispersers of most of the ARGs. Network analyses confirmed that Gracilibacillus, Lactobacillus, Nocardiopsis, Mesorhizobium and Salinicoccus were the main potential hosts of ARGs, with the main potential hosts of sul1 and ermC being Mesorhizobium and Salinicoccus. The passivation and physicochemical properties of heavy metals contribute to the removal of ARGs, with sul1 and ermC being affected by the toal heavy metals. Application of RSC allows CM to produce mature, safe organic fertilizer after 32 d and reduces the risk of rebound from ARGs, but the issues of sul1 and ermC gene removal cannot be ignored.
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Affiliation(s)
- Qu Luo
- College of Resource and Environmental Engineering, Guizhou University, Guiyang, 550025, Guizhou, China; Guizhou Engineering Laboratory of Mountain Livestock and Poultry Farming Pollution Control and Resource Technology, Institute of New Rural Development, Guizhou University, Guiyang, 550025, China
| | - Hu Wang
- Guizhou Chuyang Ecological Environmental Protection Technology Co., Ltd., Guizhou, 550003, China
| | - Xiaoqing Lu
- College of Resource and Environmental Engineering, Guizhou University, Guiyang, 550025, Guizhou, China; Guizhou Engineering Laboratory of Mountain Livestock and Poultry Farming Pollution Control and Resource Technology, Institute of New Rural Development, Guizhou University, Guiyang, 550025, China
| | - Can Wang
- Lijiang Agricultural Environmental Protection Monitoring Station, Lijiang, Yunnan, 674100, China
| | - Ruiying Chen
- College of Resource and Environmental Engineering, Guizhou University, Guiyang, 550025, Guizhou, China; Guizhou Engineering Laboratory of Mountain Livestock and Poultry Farming Pollution Control and Resource Technology, Institute of New Rural Development, Guizhou University, Guiyang, 550025, China
| | - Jianbo Cheng
- Guizhou Engineering Laboratory of Mountain Livestock and Poultry Farming Pollution Control and Resource Technology, Institute of New Rural Development, Guizhou University, Guiyang, 550025, China
| | - Tengbing He
- College of Resource and Environmental Engineering, Guizhou University, Guiyang, 550025, Guizhou, China; Guizhou Engineering Laboratory of Mountain Livestock and Poultry Farming Pollution Control and Resource Technology, Institute of New Rural Development, Guizhou University, Guiyang, 550025, China
| | - Tianling Fu
- College of Resource and Environmental Engineering, Guizhou University, Guiyang, 550025, Guizhou, China; Guizhou Engineering Laboratory of Mountain Livestock and Poultry Farming Pollution Control and Resource Technology, Institute of New Rural Development, Guizhou University, Guiyang, 550025, China.
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12
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Singh A, Singh E, Khan N, Shukla S, Bhargava PC. Effect of biochar on the fate of antibiotic resistant genes and integrons in compost amended agricultural soil. Environ Sci Pollut Res Int 2024; 31:23535-23548. [PMID: 38421542 DOI: 10.1007/s11356-024-32600-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/08/2023] [Accepted: 02/19/2024] [Indexed: 03/02/2024]
Abstract
The persistence and transmission of emerging pollutants such as antibiotic resistance genes (ARGs) via mobile genetic elements (MGEs) have caused concern to scientific community. Composting practises are often adapted for the reduction of organic waste or to enhance fertility in agriculture soil but its continuous usage has posed a potential risk of increased abundance of ARGs in soil. Thus, the present study scrutinises the emerging risk of ARGs and MGEs in agriculture soil and its potential mitigation using biochar owing to its proven environmental sustainability and performance. After 30 days incubation, ARG distribution of SulI, SulII, dfrA1, dfrA12, tetA, flor, and ErmA was 50, 37.5, 37.5, 62.5, 42.11, 62.5, and 52.63% in control samples whereas it was 5, 15.78, 21.05, 15.79, 10.53, 21.05, and 31.58%, respectively, for biochar amended samples. Similarly, IntI1 and IntI2 in control and biochar amended samples were 18.75 and 6.25% and 10.53 and 5.26%, respectively. Principal component analysis (PCA) factor suggests that biochar amendment samples showed enhanced value for pH, organic matter, and organic carbon over control samples. Furthermore, Pearson's correlation analysis performed between detected ARGs and MGEs demonstrated the positive and significant correlation at p < 0.05 for both control and biochar amended samples.
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Affiliation(s)
- Anuradha Singh
- Aquatic Toxicology Laboratory, Environmental Toxicology Group, Food, Drug & Chemical, Environment and Systems, Toxicology (FEST) Division, Council of Scientific and Industrial Research-Indian Institute of Toxicology Research (CSIR-IITR), Vishvigyan Bhawan, 31, Mahatma Gandhi Marg, Lucknow, 226001, Uttar Pradesh, India
| | - Ekta Singh
- Aquatic Toxicology Laboratory, Environmental Toxicology Group, Food, Drug & Chemical, Environment and Systems, Toxicology (FEST) Division, Council of Scientific and Industrial Research-Indian Institute of Toxicology Research (CSIR-IITR), Vishvigyan Bhawan, 31, Mahatma Gandhi Marg, Lucknow, 226001, Uttar Pradesh, India
| | - Nawaz Khan
- Aquatic Toxicology Laboratory, Environmental Toxicology Group, Food, Drug & Chemical, Environment and Systems, Toxicology (FEST) Division, Council of Scientific and Industrial Research-Indian Institute of Toxicology Research (CSIR-IITR), Vishvigyan Bhawan, 31, Mahatma Gandhi Marg, Lucknow, 226001, Uttar Pradesh, India
| | - Saurabh Shukla
- Aquatic Toxicology Laboratory, Environmental Toxicology Group, Food, Drug & Chemical, Environment and Systems, Toxicology (FEST) Division, Council of Scientific and Industrial Research-Indian Institute of Toxicology Research (CSIR-IITR), Vishvigyan Bhawan, 31, Mahatma Gandhi Marg, Lucknow, 226001, Uttar Pradesh, India
| | - Preeti Chaturvedi Bhargava
- Aquatic Toxicology Laboratory, Environmental Toxicology Group, Food, Drug & Chemical, Environment and Systems, Toxicology (FEST) Division, Council of Scientific and Industrial Research-Indian Institute of Toxicology Research (CSIR-IITR), Vishvigyan Bhawan, 31, Mahatma Gandhi Marg, Lucknow, 226001, Uttar Pradesh, India.
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13
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Wang Y, Wang Y, Shao T, Wang R, Dong Z, Xing B. Antibiotics and microplastics in manure and surrounding soil of farms in the Loess Plateau: Occurrence and correlation. J Hazard Mater 2024; 465:133434. [PMID: 38198861 DOI: 10.1016/j.jhazmat.2024.133434] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/02/2023] [Revised: 12/31/2023] [Accepted: 01/02/2024] [Indexed: 01/12/2024]
Abstract
The wide use of animal manure in farmland operations is a source of soil nutrients. However, the return of manure affected antibiotics and microplastics in the soil, thus the potential ecological risks cannot be overlooked. This study investigated the distribution of different antibiotics and microplastics and their correlation. It was found that multiple classes of veterinary antibiotics and microplastics could be detected simultaneously in most manure and soil. In manure, the average concentration of tetracycline antibiotics was higher than fluoroquinolones and sulfonamides. A much lower concentration of antibiotics was found in the soil samples relative to manure. The abundance of microplastics ranged from 21,333 to 88,333 n/kg in manure, and the average abundance was 50,583 ± 24,318 n/kg. The average abundance was 3056 ± 1746 n/kg in the soil. It confirmed that applying organic fertilizer to agricultural soil and the application of plastic mulch in farmlands introduced microplastics. Moreover, microplastics were found to be significantly correlated with antibiotics (r = 0.698, p < 0.001). The correlation between microplastics and antibiotics in soil was significantly weaker than that in manure. Farms could be the hotspot for the co-spread of microplastics and antibiotics. These findings highlighted the co-occurrence of antibiotics and microplastics in agricultural environments.
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Affiliation(s)
- Yuting Wang
- School of Geography and Tourism, Shaanxi Normal University, Xi'an 710119, China; Ordos Road Maintenance Service Center, Ordos Transportation Bureau, Ordos 017200, China
| | - Yanhua Wang
- School of Geography and Tourism, Shaanxi Normal University, Xi'an 710119, China.
| | - Tianjie Shao
- School of Geography and Tourism, Shaanxi Normal University, Xi'an 710119, China
| | - Ruiyuan Wang
- School of Geography and Tourism, Shaanxi Normal University, Xi'an 710119, China
| | - Zhibao Dong
- School of Geography and Tourism, Shaanxi Normal University, Xi'an 710119, China.
| | - Baoshan Xing
- Stockbridge School of Agriculture, University of Massachusetts, Amherst, MA 01003, United States
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14
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Wang N, He Y, Zhao K, Lin X, He X, Chen A, Wu G, Zhang J, Yan B, Luo L, Xu D. Greenhouse gas emission characteristics and influencing factors of agricultural waste composting process: A review. J Environ Manage 2024; 354:120337. [PMID: 38417357 DOI: 10.1016/j.jenvman.2024.120337] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/24/2023] [Revised: 01/04/2024] [Accepted: 02/08/2024] [Indexed: 03/01/2024]
Abstract
China, being a major agricultural nation, employs aerobic composting as an efficient approach to handle agricultural solid waste. Nevertheless, the composting process is often accompanied by greenhouse gas emissions, which are known contributors to global warming. Therefore, it is urgent to control the formation and emission of greenhouse gases from composting. This study provides a comprehensive analysis of the mechanisms underlying the production of nitrous oxide, methane, and carbon dioxide during the composting process of agricultural wastes. Additionally, it proposes an overview of the variables that affect greenhouse gas emissions, including the types of agricultural wastes (straw, livestock manure), the specifications for compost (pile size, aeration). The key factors of greenhouse gas emissions during composting process like physicochemical parameters, additives, and specific composting techniques (reuse of mature compost products, ultra-high-temperature composting, and electric-field-assisted composting) are summarized. Finally, it suggests directions and perspectives for future research. This study establishes a theoretical foundation for achieving carbon neutrality and promoting environmentally-friendly composting practices.
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Affiliation(s)
- Nanyi Wang
- College of Environment and Ecology, Hunan Agricultural University, 410128, China; Yuelu Mountain Laboratory, Hunan Agricultural University area, Changsha 410000, Hunan, China
| | - Yong He
- College of Environment and Ecology, Hunan Agricultural University, 410128, China; Yuelu Mountain Laboratory, Hunan Agricultural University area, Changsha 410000, Hunan, China
| | - Keqi Zhao
- College of Environment and Ecology, Hunan Agricultural University, 410128, China; Yuelu Mountain Laboratory, Hunan Agricultural University area, Changsha 410000, Hunan, China
| | - Xu Lin
- College of Environment and Ecology, Hunan Agricultural University, 410128, China; Yuelu Mountain Laboratory, Hunan Agricultural University area, Changsha 410000, Hunan, China
| | - Xi He
- Yuelu Mountain Laboratory, Hunan Agricultural University area, Changsha 410000, Hunan, China; College of Animal Science and Technology, Hunan Agricultural University, 410128, China
| | - Anwei Chen
- College of Environment and Ecology, Hunan Agricultural University, 410128, China; Yuelu Mountain Laboratory, Hunan Agricultural University area, Changsha 410000, Hunan, China
| | - Genyi Wu
- College of Environment and Ecology, Hunan Agricultural University, 410128, China; Yuelu Mountain Laboratory, Hunan Agricultural University area, Changsha 410000, Hunan, China
| | - Jiachao Zhang
- College of Environment and Ecology, Hunan Agricultural University, 410128, China; Yuelu Mountain Laboratory, Hunan Agricultural University area, Changsha 410000, Hunan, China.
| | - Binghua Yan
- College of Environment and Ecology, Hunan Agricultural University, 410128, China; Yuelu Mountain Laboratory, Hunan Agricultural University area, Changsha 410000, Hunan, China
| | - Lin Luo
- College of Environment and Ecology, Hunan Agricultural University, 410128, China; Yuelu Mountain Laboratory, Hunan Agricultural University area, Changsha 410000, Hunan, China
| | - Daojun Xu
- Yuelu Mountain Laboratory, Hunan Agricultural University area, Changsha 410000, Hunan, China; College of Veterinary Medicine, Hunan Agricultural University, 410128, China.
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15
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Pandey PK, Shetty BD, Wickam P, Aminabadi P, Chen Z, Mai K, Stackhouse JW, Jay-Russell MT. Physico-chemical assessment of on-farm bioconversion of organic waste in dairy farms in context to sustainability and circular bioeconomy. Environ Technol 2024; 45:1557-1568. [PMID: 36377556 DOI: 10.1080/09593330.2022.2148565] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/26/2022] [Accepted: 11/11/2022] [Indexed: 06/16/2023]
Abstract
On a milk-producing dairy farm, milk production is correlated with manure production and the number of cattle, and manure is widely used as a soil fertilizer. However, excessive dairy manure production is linked with greenhouse gas emissions and water quality issues. On-farm planning of manure storage and application to enhance soil nutrients are essential in a circular economy to reduce environmental impact, where manure is not landfilled and incinerated. Instead, it creates a nutrient resource for crops and soil. Dairy manure, which is rich in nutrients, is a valuable fertilizer that contains many nutrients such as nitrogen (N), organic matter (OM), phosphorous (P), Potassium (K) and micronutrients. In this work, a pilot field research was conducted between 2016 and 2018 in various parts of California, USA (San Joaquin Valley, Sacramento Valley, Shasta Cascade, and the North Coast of California) to assess physio-chemical characteristics of solid fractions of dairy manure among various dairy farms. A total of 156 samples were collected from the gut (n = 107) and toe (n = 49) of the manure piles across California for determining total solid (TS), volatile solid (VS), temperature, moisture content and carbon-nitrogen ratio (C: N). Here, using the observations of field study and analysis, we show that C: N, OM and MC of solid fractions of dairy manure vary significantly among dairy farms. The average C: N ratio of manure (26-32) among various regions was close to an ideal C: N value of 24:1 for soil microbes to stimulate nutrient release to crops. Manure pH ranged between 7.0 and 8.0, which was close to an optimal pH range for common crops (6.0-8.0). Moreover, considering less cost and surplus availability, manure will likely continue providing a cost-effective organic fertilizer resource compared to commercial chemical fertilizers.
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Affiliation(s)
- Pramod K Pandey
- Department of Population Health and Reproduction, School of Veterinary Medicine, University of California-Davis, Davis, CA, USA
| | - B Dharmaveer Shetty
- Department of Population Health and Reproduction, School of Veterinary Medicine, University of California-Davis, Davis, CA, USA
| | - Patrick Wickam
- Department of Population Health and Reproduction, School of Veterinary Medicine, University of California-Davis, Davis, CA, USA
| | - Peiman Aminabadi
- Department of Population Health and Reproduction, School of Veterinary Medicine, University of California-Davis, Davis, CA, USA
- Western Center for Food Safety, University of California, Davis, CA, USA
| | - Zhao Chen
- Department of Population Health and Reproduction, School of Veterinary Medicine, University of California-Davis, Davis, CA, USA
| | - Kelly Mai
- Department of Population Health and Reproduction, School of Veterinary Medicine, University of California-Davis, Davis, CA, USA
| | | | - Michele T Jay-Russell
- Department of Population Health and Reproduction, School of Veterinary Medicine, University of California-Davis, Davis, CA, USA
- Western Center for Food Safety, University of California, Davis, CA, USA
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16
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Liu N, Liu Z, Wang K, Zhao J, Fang J, Liu G, Yao H, Pan J. Comparison analysis of microbial agent and different compost material on microbial community and nitrogen transformation genes dynamic changes during pig manure compost. Bioresour Technol 2024; 395:130359. [PMID: 38272144 DOI: 10.1016/j.biortech.2024.130359] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/24/2023] [Revised: 01/17/2024] [Accepted: 01/18/2024] [Indexed: 01/27/2024]
Abstract
This study aimed to assess the impact of microbial agent and different compost material, on physicochemical parameters dynamic change, nitrogen-transfer gene/bacterial community interaction network during the pig manure composting. Incorporating a microbial agent into rice straw-mushroom compost reduced the NH3 and total ammonia emissions by 25.52 % and 14.41 %, respectively. Notably, rice straw-mushroom with a microbial agent reduced the total ammonia emissions by 37.67 %. NH4+-N and pH emerged as primary factors of phylum-level and genus-level microorganisms. Microbial agent increased the expression of narG, nirK, and nosZ genes. Rice straw-mushroom elevated the content of amoA, nirK, nirS, and nosZ genes. Alcanivorax, Luteimonas, Pusillimonas, Lactobacillus, Aequorivita, Clostridium, Moheibacter and Truepera were identified as eight core microbial genera during the nitrogen conversion process. This study provides a strategy for reducing ammonia emissions and analyzes the potential mechanisms underlying compost processes.
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Affiliation(s)
- Naiyuan Liu
- College of Bioscience and Biotechnology, Hunan Agricultural University, Changsha, Hunan 410128, China; Hunan Engineering Laboratory for Pollution Control and Waste Utilization in Swine Production, Changsha 410128, China
| | - Zhuangzhuang Liu
- College of Bioscience and Biotechnology, Hunan Agricultural University, Changsha, Hunan 410128, China; Hunan Engineering Laboratory for Pollution Control and Waste Utilization in Swine Production, Changsha 410128, China
| | - Keyu Wang
- College of Bioscience and Biotechnology, Hunan Agricultural University, Changsha, Hunan 410128, China; Hunan Engineering Laboratory for Pollution Control and Waste Utilization in Swine Production, Changsha 410128, China
| | - Jinfeng Zhao
- College of Bioscience and Biotechnology, Hunan Agricultural University, Changsha, Hunan 410128, China; Hunan Engineering Laboratory for Pollution Control and Waste Utilization in Swine Production, Changsha 410128, China
| | - Jun Fang
- College of Bioscience and Biotechnology, Hunan Agricultural University, Changsha, Hunan 410128, China; Hunan Engineering Laboratory for Pollution Control and Waste Utilization in Swine Production, Changsha 410128, China.
| | - Gang Liu
- College of Bioscience and Biotechnology, Hunan Agricultural University, Changsha, Hunan 410128, China; Hunan Engineering Laboratory for Pollution Control and Waste Utilization in Swine Production, Changsha 410128, China
| | - Hao Yao
- Changsha IMADEK Intelligent Technology Co., LTD, China
| | - Junting Pan
- State Key Laboratory of Efficient Utilization of Arid and Semi-arid Arable Land in Northern China, Institute of Agricultural Resources and Regional Planning, Chinese Academy of Agricultural Sciences, Beijing 100081, China
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17
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Fučík J, Amrichová A, Brabcová K, Karpíšková R, Koláčková I, Pokludová L, Poláková Š, Mravcová L. Fate of fluoroquinolones in field soil environment after incorporation of poultry litter from a farm with enrofloxacin administration via drinking water. Environ Sci Pollut Res Int 2024; 31:20017-20032. [PMID: 38367114 DOI: 10.1007/s11356-024-32492-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/24/2023] [Accepted: 02/12/2024] [Indexed: 02/19/2024]
Abstract
The practice of incorporating animal manure into soil is supported within the European Circular economy as a possible substitute for mineral fertilizers and will become crucial for the sustainability of agriculture. However, this practice may indirectly contribute to the dissemination of antibiotics, resistance bacteria, and resistance genes. In this study, medicated drinking water and poultry litter samples were obtained from a broiler-chick farm. The obtained poultry litter was incorporated into the soil at the experimental field site. The objectives of this research project were first to develop analytical methods able to quantify fluoroquinolones (FQs) in medicated drinking water, poultry litter, and soil samples by LC-MS; second to study the fate of these FQs in the soil environment after incorporation of poultry litter from flock medicated by enrofloxacin (ENR); and third to screen the occurrence of selected fluoroquinolone resistance encoding genes in poultry litter and soil samples (PCR analysis). FQs were quantified in the broiler farm's medicated drinking water (41.0 ± 0.3 mg∙L-1 of ENR) and poultry litter (up to 70 mg∙kg-1 of FQs). The persistence of FQs in the soil environment over 112 days was monitored and evaluated (ENR concentrations ranged from 36 μg∙kg-1 to 9 μg∙kg-1 after 100 days). The presence of resistance genes was confirmed in both poultry litter and soil samples, in agreement with the risk assessment for the selection of AMR in soil based on ENR concentrations. This work provides a new, comprehensive perspective on the entry and long-term fate of antimicrobials in the terrestrial environment and their consequences after the incorporation of poultry litter into agricultural fields.
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Affiliation(s)
- Jan Fučík
- Institute of Environmental Chemistry, Faculty of Chemistry, Brno University of Technology, Purkyňova 118, 612 00, Brno, Czech Republic.
| | - Anna Amrichová
- Institute of Environmental Chemistry, Faculty of Chemistry, Brno University of Technology, Purkyňova 118, 612 00, Brno, Czech Republic
| | - Kristýna Brabcová
- Institute of Environmental Chemistry, Faculty of Chemistry, Brno University of Technology, Purkyňova 118, 612 00, Brno, Czech Republic
- Central Institute for Supervising and Testing in Agriculture (ÚKZÚZ), Hroznová 63/2, 603 00, Brno, Czech Republic
| | - Renata Karpíšková
- Department of Public Health, Faculty of Medicine, Masaryk University, Kamenice 5, 625 00, Brno, Czech Republic
| | - Ivana Koláčková
- Department of Public Health, Faculty of Medicine, Masaryk University, Kamenice 5, 625 00, Brno, Czech Republic
| | - Lucie Pokludová
- Institute for State Control of Veterinary Biologicals and Medicines (ISCVBM), Hudcova 56 A, Brno, Czech Republic
| | - Šárka Poláková
- Central Institute for Supervising and Testing in Agriculture (ÚKZÚZ), Hroznová 63/2, 603 00, Brno, Czech Republic
| | - Ludmila Mravcová
- Institute of Environmental Chemistry, Faculty of Chemistry, Brno University of Technology, Purkyňova 118, 612 00, Brno, Czech Republic
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18
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Chen Y, Tian Z, Wang Y, Zhang C, He L, Zhao X. Response of fulvic acid linking to redox characteristics on methane and short-chain fatty acids in anaerobic digestion of chicken manure. J Environ Manage 2024; 354:120357. [PMID: 38354611 DOI: 10.1016/j.jenvman.2024.120357] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/20/2023] [Revised: 01/14/2024] [Accepted: 02/08/2024] [Indexed: 02/16/2024]
Abstract
Fulvic acids (FAs) is formed during the bioconversion of organic matter (OM) to biogas during anaerobic digestion (AD) and has a complex structure and redox function. However, the evolutionary mechanisms of FAs during AD and its interactions with acid and methane production have not been sufficiently investigated, especially at different stages of AD. Intermittent AD experiments by chicken manure and rice husk showed significant structural changes and reduced aromatization of FAs (e.g., O-H stretch6, 14.10-0%; SR, 0.22-0.60). The electron donating capacity (EDC) [9.76-45.39 μmole-/(g C)] and electron accepting capacity (EAC) [2.55-5.20 μmole-/(g C)] of FAs showed a tendency of decreasing and then increasing, and FAs had a stronger electron transfer capacity (ETC) in the methanogenic stage. Correlation analysis showed that the EDC of FAs was influenced by their own structure (C-O stretch2, C-H bend1, C-H bend4, and N-H bend) and also had an inhibitory effect on propionic production, which further inhibited acetic production. The EAC of FAs was affected by molecular weight and had a promoting effect on methane production. Structural equation modelling identified three possible pathways for AD. The C-O stretch2 structure of FAs alone inhibits the production of propionic. In addition, pH can directly affect the EDC of FAs. This study provides a theoretical basis for the structural and functional evolution of FAs in AD of chicken manure on the mechanism of methane production.
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Affiliation(s)
- Yating Chen
- State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences, Beijing, 100012, China; College of Environmental Science and Engineering, Guilin University of Technology, Guilin, 541006, China
| | - Zebin Tian
- State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences, Beijing, 100012, China
| | - Yan Wang
- State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences, Beijing, 100012, China; College of Environmental Science and Engineering, Guilin University of Technology, Guilin, 541006, China
| | - Chuanyan Zhang
- State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences, Beijing, 100012, China; College of Environmental Science and Engineering, Guilin University of Technology, Guilin, 541006, China
| | - Liangzi He
- State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences, Beijing, 100012, China; College of Life Science, Northeast Agricultural University, Harbin, 150030, China
| | - Xinyu Zhao
- State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences, Beijing, 100012, China.
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19
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Zheng S, Han B, Wang Y, Ding Y, Zhao R, Yang F. Occurrence and dissemination of antibiotic resistance genes in the Yellow River basin: focused on family farms. Environ Sci Pollut Res Int 2024; 31:16328-16341. [PMID: 38316741 DOI: 10.1007/s11356-024-32290-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/04/2023] [Accepted: 01/28/2024] [Indexed: 02/07/2024]
Abstract
As an emerging contaminant, antibiotic resistance genes (ARGs) have attracted growing attention, owing to their widespread dissemination and potential risk in the farming environment. However, ARG pollution from family livestock farms in the Yellow River basin, one of the main irrigation water sources in the North China Plain, remains unclear. Herein, we targeted 21 typical family farms to assess the occurrence patterns of ARGs in livestock waste and its influence on ARGs in receiving environment by real-time quantitative PCR (qPCR). Results showed that common ARGs were highly prevalent in family livestock waste, and tet-ARGs and sul-ARGs were the most abundant in these family farms. Most ARG levels in fresh feces of different animals varied, as the trend of chicken farms (broilers > laying hens) > swine farms (piglets > fattening pigs > boars and sows) > cattle farms (dairy cattle > beef cattle). The effect of natural composting on removing ARGs for chicken manure was better than that for cattle manure, while lagoon storage was not effective in removing ARGs from family livestock wastewater. More troublesomely, considerable amounts of ARGs were discharged with manure application, further leading to the ARG increase in farmland soil (up to 58-119 times), which would exert adverse impacts on human health and ecological safety.
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Affiliation(s)
- Shimei Zheng
- College of Chemistry and Chemical and Environmental Engineering, Weifang University, Weifang, 261061, China
| | - Bingjun Han
- Agro-Environmental Protection Institute, Ministry of Agriculture and Rural Affairs, Tianjin, 300191, China
| | - Yandong Wang
- Department of Pediatrics, Weifang People's Hospital, Weifang, 261041, China
| | - Yongzhen Ding
- Agro-Environmental Protection Institute, Ministry of Agriculture and Rural Affairs, Tianjin, 300191, China
| | - Ran Zhao
- Agro-Environmental Protection Institute, Ministry of Agriculture and Rural Affairs, Tianjin, 300191, China
| | - Fengxia Yang
- Agro-Environmental Protection Institute, Ministry of Agriculture and Rural Affairs, Tianjin, 300191, China.
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20
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Petersen SO, Ma C, Hilgert JE, Mjöfors K, Sefeedpari P, Amon B, Aarnink A, Francó B, Dragoni F, Groenestein K, Gyldenkærne S, Herrmann C, Hutchings NJ, Kristensen IS, Liu J, Olesen JE, Rodhe L. In-vitro method and model to estimate methane emissions from liquid manure management on pig and dairy farms in four countries. J Environ Manage 2024; 353:120233. [PMID: 38330838 DOI: 10.1016/j.jenvman.2024.120233] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/28/2023] [Revised: 01/22/2024] [Accepted: 01/24/2024] [Indexed: 02/10/2024]
Abstract
Methane (CH4) emissions from manure management on livestock farms are a key source of greenhouse gas emissions in some regions and for some production systems, and the opportunities for mitigation may be significant if emissions can be adequately documented. We investigated a method for estimating CH4 emissions from liquid manure (slurry) that is based on anaerobic incubation of slurry collected from commercial farms. Methane production rates were used to derive a parameter of the Arrhenius temperature response function, lnA', representing the CH4 production potential of the slurry at the time of sampling. Results were used for parameterization of an empirical model to estimate annual emissions with daily time steps, where CH4 emissions from individual sources (barns, outside storage tanks) can be calculated separately. A monitoring program was conducted in four countries, i.e., Denmark, Sweden, Germany and the Netherlands, during a 12-month period where slurry was sampled to represent barn and outside storage on finishing pig and dairy farms. Across the four countries, lnA' was higher in pig slurry compared to cattle slurry (p < 0.01), and higher in slurry from barns compared to outside storage (p < 0.01). In a separate evaluation of the incubation method, in-vitro CH4 production rates were comparable with in-situ emissions. The results indicate that lnA' in barns increases with slurry age, probably due to growth or adaptation of the methanogenic microbial community. Using lnA' values determined experimentally, empirical models with daily time steps were constructed for finishing pig and dairy farms and used for scenario analyses. Annual emissions from pig slurry were predicted to be 2.5 times higher than those from cattle slurry. Changing the frequency of slurry export from the barn on the model pig farm from 40 to 7 d intervals reduced total annual CH4 emissions by 46 %; this effect would be much less on cattle farms with natural ventilation. In a scenario with cattle slurry, the empirical model was compared with the current IPCC methodology. The seasonal dynamics were less pronounced, and annual CH4 emissions were lower than with the current methodology, which calls for further investigations. Country-specific models for individual animal categories and point sources could be a tool for assessing CH4 emissions and mitigation potentials at farm level.
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Affiliation(s)
| | - Chun Ma
- Department of Agroecology, Aarhus University, Tjele, Denmark
| | - Julio E Hilgert
- Leibniz Institute of Agricultural Engineering and Bioeconomy, Potsdam, Germany
| | | | - Paria Sefeedpari
- Wageningen Livestock Research, Wageningen University and Research, the Netherlands
| | - Barbara Amon
- Leibniz Institute of Agricultural Engineering and Bioeconomy, Potsdam, Germany; University of Zielona Góra, Faculty of Civil Engineering, Architecture and Environmental Engineering, Zielona Góra, Poland
| | - André Aarnink
- Wageningen Livestock Research, Wageningen University and Research, the Netherlands
| | | | - Federico Dragoni
- Leibniz Institute of Agricultural Engineering and Bioeconomy, Potsdam, Germany
| | - Karin Groenestein
- Wageningen Livestock Research, Wageningen University and Research, the Netherlands
| | | | - Christiane Herrmann
- Leibniz Institute of Agricultural Engineering and Bioeconomy, Potsdam, Germany
| | | | - Ib S Kristensen
- Department of Agroecology, Aarhus University, Tjele, Denmark
| | - Jing Liu
- BPC Instruments, Lund, Sweden; Lund University, Lund, Sweden
| | - Jørgen E Olesen
- Department of Agroecology, Aarhus University, Tjele, Denmark
| | - Lena Rodhe
- RISE Research Institutes of Sweden, Uppsala, Sweden
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21
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Nguyen TT, Sasaki Y, Nasukawa H, Katahira M. Recycling potassium from cow manure compost can replace potassium fertilizers in paddy rice production systems. Sci Total Environ 2024; 912:168823. [PMID: 38016544 DOI: 10.1016/j.scitotenv.2023.168823] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/07/2023] [Revised: 11/22/2023] [Accepted: 11/22/2023] [Indexed: 11/30/2023]
Abstract
The prevalence of K deficiency and negative K balance in rice production increases the demand for K fertilizer. However, the primary source of K fertilizer, potash rock, is limited. Recycling K from cow manure compost (CMC) is a sustainable solution. Nevertheless, the effects of substituting K fertilizer with CMC on rice yield, soil K fertility, and partial K balance (PKB) are not well understood. Therefore, a field experiment with four treatments (control - unfertilized, MNP K - CMC plus NPK fertilizer, MNP ½ K - CMC plus NP and 50 % K fertilizer, and MNP - CMC plus NP fertilizer) was conducted from 2020 to 2022 to study the effects of replacing K fertilizer with K from CMC on rice growth, yield, plant K uptake, soil K fertility, and PKB. The results indicated that K input from CMC exceeded the recommended K fertilizer level, sufficient for optimal rice growth and yield over three growing seasons and plant K uptake in the last two seasons. Plant K uptake increased with total K input and reached a plateau when total K input approached the maximum plant K uptake. In the MNP treatment, PKB was negative in the first two seasons but became positive in the last season, owing to the equivalence between K input from CMC and plant K uptake. Key factors influencing PKB in this treatment were K input from CMC and plant K uptake. Increasing the CMC application rate during the first two seasons could lead to a positive PKB. In this treatment, soil exchangeable K changed correspondingly with PKB, decreasing in the first two seasons but increasing in the last season. Overall, determining the appropriate amount of CMC application for a positive PKB is vital for the sustainability of substituting K fertilizer with K from CMC in paddy rice systems.
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Affiliation(s)
- Thanh Tung Nguyen
- Faculty of Agriculture, Yamagata University, 1-23 Wakaba-machi, Tsuruoka, Yamagata 997-8555, Japan.
| | - Yuka Sasaki
- Faculty of Agriculture, Yamagata University, 1-23 Wakaba-machi, Tsuruoka, Yamagata 997-8555, Japan
| | - Hisashi Nasukawa
- Faculty of Agriculture, Yamagata University, 1-23 Wakaba-machi, Tsuruoka, Yamagata 997-8555, Japan
| | - Mitsuhiko Katahira
- Faculty of Agriculture, Yamagata University, 1-23 Wakaba-machi, Tsuruoka, Yamagata 997-8555, Japan
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22
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Wang Y, Cai J, Chen X, Guo B, Liu J, Qiu G, Li H. The connection between the antibiotic resistome and nitrogen-cycling microorganisms in paddy soil is enhanced by application of chemical and plant-derived organic fertilizers. Environ Res 2024; 243:117880. [PMID: 38070858 DOI: 10.1016/j.envres.2023.117880] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/09/2023] [Revised: 11/23/2023] [Accepted: 12/04/2023] [Indexed: 02/06/2024]
Abstract
Antibiotic resistant genes (ARGs) present significant risks to environments and public health. In particular, there is increasing awareness of the role of soil nitrogen in ARG dissemination. Here, we investigated the connections between antibiotic resistome and nitrogen-cycling microbes in paddy soil by performing five-year field experiments with the treatments of no nitrogen fertilization (CK), reduced chemical nitrogen fertilization (LN), conventional chemical nitrogen fertilization (CN) and plant-derived organic nitrogen fertilization (ON). Compared with CK treatment, CN and ON treatments significantly increased soil NH4+ and TN concentrations by 25.4%-56.5% and 10.4%-20.1%, respectively. Redundancy analysis revealed significantly positive correlation of NH4+ with most ARGs, including tetA, macB and barA. Correspondingly, CN and ON treatments enhanced ARG abundances by 21.9%-23.2%. Moreover, CN and ON treatments promoted nitrate/nitrite-reducing bacteria and linked the corresponding N-cycling functional genes (narG, narH, nirK and nrfA) with most ARGs. Metagenomic binning was performed and identified Gemmatimonadaceae, Caulobacteraceae, Ilumatobacteraceae and Anaerolineaceae as hosts for both ARGs and nitrate/nitrite reduction genes that were enriched by CN and ON treatments. Soil resistome risk score analysis indicated that, although there was increased relation of ARG to nitrogen-cycling microorganisms with nitrogen fertilizer application, the environmental risk of ARGs was not increased due to the lower distribution of ARGs in pathogens. This study contributed to a deeper understanding of the role of soil nitrogen in shaping ARG profiles and controlling soil resistome risk.
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Affiliation(s)
- Yuan Wang
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products, Institute of Environment, Resource, Soil and Fertilizers, Zhejiang Academy of Agricultural Sciences, Hangzhou, 310021, China
| | - Jingjing Cai
- Zhejiang Sino-Geo Clean-Soil Company Limited, Zhuji, 311800, China
| | - Xiaodong Chen
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products, Institute of Environment, Resource, Soil and Fertilizers, Zhejiang Academy of Agricultural Sciences, Hangzhou, 310021, China
| | - Bin Guo
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products, Institute of Environment, Resource, Soil and Fertilizers, Zhejiang Academy of Agricultural Sciences, Hangzhou, 310021, China
| | - Junli Liu
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products, Institute of Environment, Resource, Soil and Fertilizers, Zhejiang Academy of Agricultural Sciences, Hangzhou, 310021, China
| | - Gaoyang Qiu
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products, Institute of Environment, Resource, Soil and Fertilizers, Zhejiang Academy of Agricultural Sciences, Hangzhou, 310021, China
| | - Hua Li
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products, Institute of Environment, Resource, Soil and Fertilizers, Zhejiang Academy of Agricultural Sciences, Hangzhou, 310021, China.
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23
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Cheng Q, Shen Y, Zhao S, Ding J, Zhou H. Study of the variation law of the airflow resistance and related physical parameters of the pile throughout compost process with cattle manure. Waste Manag 2024; 174:263-272. [PMID: 38071866 DOI: 10.1016/j.wasman.2023.11.032] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/07/2023] [Revised: 11/21/2023] [Accepted: 11/23/2023] [Indexed: 01/16/2024]
Abstract
Composting is widely adopted in livestock waste management, and the ventilation system control is essential for composting efficiency. For ventilation system, the airflow resistance is a major factor influencing the ventilation intensity and oxygen supply capacity. This study explored the variation law of airflow resistance, bulk density, specific gravity, particle size and total pressure throughout composting with cattle manure. The airflow resistance was calculated with Ergun equation, and contribution coefficients of different components were analyzed with principal component analysis (PCA). Results showed that the viscous airflow resistance was dominant throughout cattle manure composting. The average airflow resistance was 0.146 Pa/m, and resistance of pile at lower layer was higher than that at the upper layer by 18.1 %. For contribution coefficient affecting airflow resistance, the ranks were bulk density, average particle size and specific gravity. During composting process, the average airflow resistance decreased by 40.1 % and the total pressure reduced by 3.47 %. All parameters had the greatest variation at thermophilic phase, which accounted for more than 60 % of the total variation amplitude. Meanwhile, less than 10 % of the total pressure was used to overcome the airflow resistance. Therefore, reducing bulk density of pile should be considered preferentially to decrease the airflow resistance. During cattle manure composting process, the total pressure of ventilation system ought to be adjusted with the aerobic reaction to a lower level, especially at thermophilic phase with the most rapid descent rate. This study can provide support for reducing the energy consumption required for ventilation of composting.
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Affiliation(s)
- Qiongyi Cheng
- Academy of Agricultural Planning and Engineering, Key Laboratory of Technologies and Models for Cyclic Utilization from Agricultural Resources, Ministry of Agriculture and Rural Affairs, Beijing 100125, China.
| | - Yujun Shen
- Academy of Agricultural Planning and Engineering, Key Laboratory of Technologies and Models for Cyclic Utilization from Agricultural Resources, Ministry of Agriculture and Rural Affairs, Beijing 100125, China.
| | - Shihao Zhao
- Academy of Agricultural Planning and Engineering, Key Laboratory of Technologies and Models for Cyclic Utilization from Agricultural Resources, Ministry of Agriculture and Rural Affairs, Beijing 100125, China
| | - Jingtao Ding
- Academy of Agricultural Planning and Engineering, Key Laboratory of Technologies and Models for Cyclic Utilization from Agricultural Resources, Ministry of Agriculture and Rural Affairs, Beijing 100125, China
| | - Haibin Zhou
- Academy of Agricultural Planning and Engineering, Key Laboratory of Technologies and Models for Cyclic Utilization from Agricultural Resources, Ministry of Agriculture and Rural Affairs, Beijing 100125, China
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24
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Yan X, Ying Y, Li K, Zhang Q, Wang K. A review of mitigation technologies and management strategies for greenhouse gas and air pollutant emissions in livestock production. J Environ Manage 2024; 352:120028. [PMID: 38219668 DOI: 10.1016/j.jenvman.2024.120028] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/18/2023] [Revised: 12/06/2023] [Accepted: 01/02/2024] [Indexed: 01/16/2024]
Abstract
One of the key issues in manure management of livestock production is to reduce greenhouse gas (GHG) and air pollutant emissions, which lead to significant environmental footprint and human/animal health threats. This study provides a review of potentially efficacious technologies and management strategies that reduce GHG and air pollutant emissions during the three key stages of manure management in livestock production, i.e., animal housing, manure storage and treatment, and manure application. Several effective mitigation technologies and practices for each manure management stage are identified and analyzed in detail, including feeding formulation adjustment, frequent manure removal and air scrubber during animal housing stage; solid-liquid separation, manure covers for storage, acidification, anaerobic digestion and composting during manure storage and treatment stage; land application techniques at appropriate timing during manure application stage. The results indicated several promising approaches to reduce multiple gas emissions from the entire manure management. Removing manure 2-3 times per week or every day during animal housing stage is an effective and simple way to reduce GHG and air pollutant emissions. Acidification during manure storage and treatment stage can reduce ammonia and methane emissions by 33%-93% and 67%-87%, respectively and proper acid, such as lactic acid can also reduce nitrous oxide emission by about 90%. Shallow injection of manure for field application has the best performance in reducing ammonia emission by 62%-70% but increase nitrous oxide emission. The possible trade-off brings insight to the prioritization of targeted gas emissions for the researchers, stakeholders and policymakers, and also highlights the importance of assessing the mitigation technologies across the entire manure management chain. Implementing a combination of the management strategies needs comprehensive considerations about mitigation efficiency, technical feasibility, local regulations, climate condition, scalability and cost-effectiveness.
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Affiliation(s)
- Xiaojie Yan
- School of Optical, Mechanical and Electrical Engineering, Zhejiang Agriculture & Forestry University, Hangzhou, 311300, Zhejiang, China; College of Biosystems Engineering and Food Science, Zhejiang University, 866 Yuhangtang Road, Hangzhou, 310058, Zhejiang, China; Guangxi Yangxiang Co., Ltd., Gangnan District, Guigang, 537106, Guangxi, China
| | - Yongfei Ying
- Zhejiang Province Animal Husbandry Technology Promotion and Breeding Livestock and Poultry Monitoring Station, Zhejiang Province Department of Agriculture, 111 Yuyun Road, Hangzhou, 310020, Zhejiang, China
| | - Kunkun Li
- Department of Plant Molecular Biology, University of Lausanne, 1015 Lausanne, Switzerland
| | - Qiang Zhang
- Department of Biosystems Engineering, University of Manitoba, Winnipeg, MB, R3T 2N2, Canada
| | - Kaiying Wang
- College of Biosystems Engineering and Food Science, Zhejiang University, 866 Yuhangtang Road, Hangzhou, 310058, Zhejiang, China.
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25
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Srivastava PK, Tiwari GN, Sinha ASK. Enhanced vermicomposting of rice straw and pressmud with biogas slurry employing Eisenia fetida: Production, characterization, growth, and toxicological risk assessment. J Environ Manage 2024; 352:120032. [PMID: 38184874 DOI: 10.1016/j.jenvman.2024.120032] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/25/2023] [Revised: 12/14/2023] [Accepted: 01/02/2024] [Indexed: 01/09/2024]
Abstract
The biogas plant plays a dual role: it directly provides energy and indirectly promotes organic farming through outlet slurry. However, agricultural biomass wastes such as rice straws (RS) and pressmud (PM), which can't be used as fertilizers on their own, were vermicomposted (60 days) with biogas slurry (BS), using earthworm, into four blends: T1(BS, 100%), T2(3:2, BS: RS), T3(3:2, BS: PM), and T4(3:1:1, BS: RS: PM). The characterization, elemental analysis, and toxicological risk assessment of derived vermimanure were carried out using various analytical tools, such as an organic elemental analyzer such as CHNS, FT-IR, FESEM-EDXA, XPS, and ICP-OES. The pH, electrical conductivity, and C/N values were within 7.1-7.8, 3.2-6.0 dSm-1, and 12-15, respectively, for all treatments. The proportions of N (38%), P (70%), K (58%), Mg (67%), Ca (42%), and ash (44%), increased significantly (P < 0.05) over the initial feedstocks. The ecological risks of heavy metals (Zn, Cu, Ni, Pb, Cd, and Cr) in all feedstocks were found to be under WHO-permitted levels. The growth performance of earthworms was also considerably higher (P < 0.05) over the control feedstock group. The analytical methods verified that feedstock T4 (3:1:1, BS: RS: PM) was more porous, containing NH4+, PO43-, K+, and other nutrients. Pellets of all vermimanure groups keep 65-75% of the original volume. As well, when these pellets have been employed for agronomy and dispersed in the field, they will cause less dust than traditional or powdered compost or manure. In comparison to the control group, the synergistic approach of RS, PM, and BS in vermimanure significantly (P < 0.05) enhanced seed germination (83%), vigour index (42.5%), and decreased mean germination time by 27%. Furthermore, pot trials with Abelmoschus esculentus seed indicated that seedlings cultivated with 40% vermimanure of T4 (3:1:1, BS: RS: PM) mixed soil showed high growth in shoot, root, and plant yield.
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Affiliation(s)
- Praveen Kumar Srivastava
- Department of Sciences and Humanities, Rajiv Gandhi Institute of Petroleum Technology, Amethi, Jais 229304, India.
| | - Gopal Nath Tiwari
- Department of Sciences and Humanities, Rajiv Gandhi Institute of Petroleum Technology, Amethi, Jais 229304, India; Sodha Energy Research Park, BERS Public School, Jawahar Nagar, Chikahar, Ballia 221701, India
| | - Akhoury Sudhir Kumar Sinha
- Department of Chemical Engineering and Biochemical Engineering, Rajiv Gandhi Institute of Petroleum Technology, Amethi, Jais 229304, India
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26
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Hou J, Lam KL, Chiu YT, Kwong KY, Lau HL, Marafa LM, Tsui SKW, Mo IWY, Chan PL. Urban green waste bulking agent is the major source of antimicrobial resistance genes persisted in home compost, not animal manure. Environ Res 2024; 242:117713. [PMID: 38000633 DOI: 10.1016/j.envres.2023.117713] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/27/2023] [Revised: 10/27/2023] [Accepted: 11/15/2023] [Indexed: 11/26/2023]
Abstract
Urban green waste and food waste are often used as bulking agents to prepare home compost in combination with animal manure in urban horticulture and community gardening. Although it is known that antimicrobial resistance genes (ARGs) persist in home compost, their origins have not been determined. In addition, the factors contributing to ARGs persistence remain unclear. In this study, we aim to (i) characterize the changes in the microbiome and antimicrobial resistome during the composting process of home compost using metagenomics shotgun sequencing, (ii) identify the source of the ARGs persisted in home compost using SourceTracker, and (iii) elucidate the collective effect of compost microbiome and environmental factors, including the physicochemical properties and antibiotics concentration of home compost, in contributing to ARG persistence using Procrustes analysis, co-occurrence network analysis, variation partitioning analysis, and structural equation modeling. SourceTracker analysis indicated that urban green waste bulking agent was the major source of the persisting ARGs in home compost instead of animal manure. Procrustes analysis and co-occurrence network analysis revealed a strong association between microbiome and antimicrobial resistome. Variation partitioning analysis and structural equation modeling suggested that physicochemical properties shaped the antimicrobial resistome directly and indirectly by influencing the microbiome. Our results indicated that the persistence of ARGs in home compost might be due to the succession of microbial species from the urban green waste bulking agent, and the physicochemical properties might have defined the compost environment to shape the microbiome in the compost, thus, in turn, the persisting antimicrobial resistome.
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Affiliation(s)
- Jinpao Hou
- School of Biomedical Sciences, the Chinese University of Hong Kong, Shatin, Hong Kong
| | - K L Lam
- Department of Applied Science, School of Science and Technology, Hong Kong Metropolitan University, Ho Man Tin, Hong Kong
| | - Y T Chiu
- Department of Applied Science, School of Science and Technology, Hong Kong Metropolitan University, Ho Man Tin, Hong Kong
| | - K Y Kwong
- Department of Applied Science, School of Science and Technology, Hong Kong Metropolitan University, Ho Man Tin, Hong Kong
| | - H L Lau
- Department of Geography and Resources Management, the Chinese University of Hong Kong, Shatin, Hong Kong
| | - L M Marafa
- Department of Geography and Resources Management, the Chinese University of Hong Kong, Shatin, Hong Kong
| | - S K W Tsui
- School of Biomedical Sciences, the Chinese University of Hong Kong, Shatin, Hong Kong
| | - I W Y Mo
- Department of Applied Science, School of Science and Technology, Hong Kong Metropolitan University, Ho Man Tin, Hong Kong.
| | - P L Chan
- Department of Applied Science, School of Science and Technology, Hong Kong Metropolitan University, Ho Man Tin, Hong Kong; Department of Health Sciences, School of Nursing and Health Studies, Hong Kong Metropolitan University, Ho Man Tin, Hong Kong.
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27
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Wang Q, Flesch TK, Bai M, Zhang M, Chen D. Seasonal ammonia emissions from an intensive beef cattle feedlot in Victoria Australia. J Environ Manage 2024; 351:119898. [PMID: 38160543 DOI: 10.1016/j.jenvman.2023.119898] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/14/2023] [Revised: 10/04/2023] [Accepted: 12/19/2023] [Indexed: 01/03/2024]
Abstract
Ammonia (NH3) emitted from concentrated animal feeding operations can cause environmental and health problems, and indirectly contribute to greenhouse gas emissions. Cattle feedlots are known to be large sources of NH3, but few studies have documented seasonal emissions from Australian feedlots. We conducted two field campaigns to measure NH3 emissions from an intensive beef cattle feedlot in southeast Australia, and these results were combined with previous measurements at the same feedlot to document seasonal variations in emissions and to derive annual feedlot emission factors (EFs). Emission rates were calculated with an inverse dispersion modelling (IDM) technique, based on NH3 concentrations measured at the feedlot with open-path lasers (OPLs). The average area emission rates in spring, summer, autumn and winter were 90.5, 167.4, 96.2 and 86.8 μg NH3 m-2 s-1 from the cattle pens, and 22.5, 18.1, 7.7 and 20.7 μg NH3 m-2 s-1 from the manure stockpile area, respectively. The total per-animal EFs ranged from 126.0 (autumn) to 190.2 g NH3 animal-1 d-1 (summer), representing a loss of 47.5-64.6% of the fed N. Seasonal variations in emissions were related to air temperature. Slight changes in crude protein content of the cattle diet may also have impacted seasonal variability. Taking seasonal variations into consideration, the average feedlot EF was 160.4 g NH3 animal-1 d-1, with 90% of the emissions coming from the cattle pens. Extrapolating the EF to all feedlot cattle in the country, the direct NH3 emissions from Australian feedlots amount to 65.2 Gg NH3 annually, or 3.7% of the national total. Our study benchmarks seasonal and annual EFs and N losses for Australian commercial feedlots, and provides a baseline for extrapolating the impacts of mitigation efforts.
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Affiliation(s)
- Qingmei Wang
- School of Agriculture, Food and Ecosystem Sciences, The University of Melbourne, VIC 3010, Australia.
| | - Thomas K Flesch
- Department of Earth and Atmospheric Sciences, University of Alberta, Edmonton, AB T6G 2R3, Canada
| | - Mei Bai
- School of Agriculture, Food and Ecosystem Sciences, The University of Melbourne, VIC 3010, Australia
| | - Mengxuan Zhang
- School of Agriculture, Food and Ecosystem Sciences, The University of Melbourne, VIC 3010, Australia; Institute of Agricultural Resources and Regional Planning, Chinese Academy of Agricultural Sciences, Beijing 100081, People's Republic of China
| | - Deli Chen
- School of Agriculture, Food and Ecosystem Sciences, The University of Melbourne, VIC 3010, Australia.
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28
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Lin J, Mao Y, Mai L, Li G, Liu H, Peng S, Wang D, Li Q, Yu Z, Yuan J, Li G. Accelerating the humification of mushroom waste by regulating nitrogen sources composition: Deciphering mechanism from bioavailability and molecular perspective. Chemosphere 2024; 349:140816. [PMID: 38040259 DOI: 10.1016/j.chemosphere.2023.140816] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/02/2023] [Revised: 11/18/2023] [Accepted: 11/24/2023] [Indexed: 12/03/2023]
Abstract
Regulating nitrogen source composition is efficient approach to accelerate the spent mushroom substrate (SMS) composting process. However, currently, most traditional composting study only focuses on total C/N ratio of initial composting material. Rarely research concerns the effect of carbon or nitrogen components at different degradable level and their corresponding decomposed-substances on humification process. This study deciphers and compares the mechanism of mixed manure-N sources on SMS humification from bioavailability and molecular perspective. Two different biodegradable manure-N sources, cattle manure (CM) and Hainan chicken manure (CH), were added into the SMS composting with the different CM:CH ratio of 1:0, 3:1, 1:1, 1:3, and 0:1, respectively. The physicochemical properties and humic substances were determined to evaluate the compost quality. Coupling analysis of spectroscopy, fluorescence, and humic intermediate precursors were conducted to characterizing molecular formation process of humic acid (HA). The results indicated that regulating the carbon-nitrogen nutrient biodegradability of composting material by adding mixed nitrogen sources is an effective strategy to accelerate the SMS humification process. The C1H3 (CM:CH ratio of 1:3) and CH treatments obtained great physicochemical properties and the highest growth rate of HA (31.96% and 27.02%, respectively). The rapid reaction of polysaccharide, ketone, quinone, and amide in DOM (LCP1) might be the key for the fast humification in C1H3 and CH. The polyphenol, reducing sugar and amino acid originated from the labile-carbon-proportion I (LCP1) and recalcitrant-carbon-proportion (RCP), labile-carbon-proportion II (LCP2) and RCP, and labile-nitrogen-proportion I (LNP1), respectively, were the main driving intermediate precursors for the formation of HA. This study deciphers the SMS humification mechanism at molecular level and provides a strategy in accelerating-regulating the composting process. which will be beneficial for enhancing the disposing efficiency of SMS, producing high-quality organic fertilizer, and even popularizing to the similar types of organic waste in practical field.
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Affiliation(s)
- Jiacong Lin
- Key Laboratory of Low-carbon Green Agriculture in Tropical Region of China, Ministry of Agriculture and Rural Affairs, PR China/Hainan Key Laboratory of Tropical Eco-circular Agriculture, Environment and Plant Protection Institute, Chinese Academy of Tropical Agricultural Sciences, Haikou, 571101, China; Hainan Danzhou Tropical Agro-ecosystem National Observation and Research Station/National Agricultural Experimental Station for Agricultural Environment, Chinese Academy of Tropical Agricultural Sciences, Danzhou, 571737, China.
| | - Yilin Mao
- Key Laboratory of Low-carbon Green Agriculture in Tropical Region of China, Ministry of Agriculture and Rural Affairs, PR China/Hainan Key Laboratory of Tropical Eco-circular Agriculture, Environment and Plant Protection Institute, Chinese Academy of Tropical Agricultural Sciences, Haikou, 571101, China
| | - Liwen Mai
- Key Laboratory of Low-carbon Green Agriculture in Tropical Region of China, Ministry of Agriculture and Rural Affairs, PR China/Hainan Key Laboratory of Tropical Eco-circular Agriculture, Environment and Plant Protection Institute, Chinese Academy of Tropical Agricultural Sciences, Haikou, 571101, China
| | - Guangyi Li
- Key Laboratory of Low-carbon Green Agriculture in Tropical Region of China, Ministry of Agriculture and Rural Affairs, PR China/Hainan Key Laboratory of Tropical Eco-circular Agriculture, Environment and Plant Protection Institute, Chinese Academy of Tropical Agricultural Sciences, Haikou, 571101, China
| | - He Liu
- Key Laboratory of Low-carbon Green Agriculture in Tropical Region of China, Ministry of Agriculture and Rural Affairs, PR China/Hainan Key Laboratory of Tropical Eco-circular Agriculture, Environment and Plant Protection Institute, Chinese Academy of Tropical Agricultural Sciences, Haikou, 571101, China
| | - Shiliang Peng
- Key Laboratory of Low-carbon Green Agriculture in Tropical Region of China, Ministry of Agriculture and Rural Affairs, PR China/Hainan Key Laboratory of Tropical Eco-circular Agriculture, Environment and Plant Protection Institute, Chinese Academy of Tropical Agricultural Sciences, Haikou, 571101, China
| | - Dingmei Wang
- Key Laboratory of Low-carbon Green Agriculture in Tropical Region of China, Ministry of Agriculture and Rural Affairs, PR China/Hainan Key Laboratory of Tropical Eco-circular Agriculture, Environment and Plant Protection Institute, Chinese Academy of Tropical Agricultural Sciences, Haikou, 571101, China; Hainan Danzhou Tropical Agro-ecosystem National Observation and Research Station/National Agricultural Experimental Station for Agricultural Environment, Chinese Academy of Tropical Agricultural Sciences, Danzhou, 571737, China.
| | - Qinfen Li
- Key Laboratory of Low-carbon Green Agriculture in Tropical Region of China, Ministry of Agriculture and Rural Affairs, PR China/Hainan Key Laboratory of Tropical Eco-circular Agriculture, Environment and Plant Protection Institute, Chinese Academy of Tropical Agricultural Sciences, Haikou, 571101, China; Hainan Danzhou Tropical Agro-ecosystem National Observation and Research Station/National Agricultural Experimental Station for Agricultural Environment, Chinese Academy of Tropical Agricultural Sciences, Danzhou, 571737, China.
| | - Zhen Yu
- Institute of Eco-environmental and Soil Sciences, Guangdong Academy of Sciences, Guangzhou, 510650, China
| | - Jing Yuan
- College of Resource and Environmental Science, China Agricultural University, Beijing, 100193, China
| | - Guoxue Li
- College of Resource and Environmental Science, China Agricultural University, Beijing, 100193, China
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Huang B, Lv X, Zheng H, Yu H, Zhang Y, Zhang C, Wang J. Microbial organic fertilizer prepared by co-composting of Trichoderma dregs mitigates dissemination of resistance, virulence genes, and bacterial pathogens in soil and rhizosphere. Environ Res 2024; 241:117718. [PMID: 37995998 DOI: 10.1016/j.envres.2023.117718] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/08/2023] [Revised: 11/04/2023] [Accepted: 11/15/2023] [Indexed: 11/25/2023]
Abstract
The use of manure, mycelium dregs and other waste as organic fertilizer is the main source of antibiotic resistance genes (ARGs) and pathogens in farmland. Composting of waste may effectively remove ARGs and pathogens. However, the profiles and drivers of changes in metal resistance genes (MRGs), biocide resistance genes (BRGs), and virulence genes (VGs) in soil-crop rhizosphere systems after compost application remain largely unknown. Here, we prepared two kinds of microbial organic fertilizers (MOF) by using Trichoderma dregs (TDs) and organic fertilizer mixing method (MOF1) and TDs co-composting method (MOF2). The effects of different types and doses of MOF on resistance genes, VGs and pathogens in soil-rhizosphere system and their potential mechanisms were studied. The results showed that co-composting of TDs promoted the decomposition of organic carbon and decreased the absolute abundance of ARGs and mobile genetic elements (MGEs) by 53.4-65.0%. MOF1 application significantly increased the abundance and diversity of soil ARGs, BRGs, and VGs, while low and medium doses of MOF2 significantly decreased their abundance and diversity in soil and rhizosphere. Patterns of positive co-occurrence between MGEs and VGs/MRGs/BRGs/ARGs were observed through statistical analysis and gene arrangements. ARGs/MRGs reductions in MOF2 soil were directly driven by weakened horizontal gene transfer triggered by MGEs. Furthermore, MOF2 reduced soil BRGs/VGs levels by shifting bacterial communities (e.g., reduced bacterial host) or improving soil property. Our study provided new insights into the rational use of waste to minimize the spread of resistomes and VGs in soil.
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Affiliation(s)
- Bin Huang
- Tobacco Research Institute of Chinese Academy of Agricultural Sciences, Qingdao, 266101, China
| | - Xiaolin Lv
- Tobacco Research Institute of Chinese Academy of Agricultural Sciences, Qingdao, 266101, China
| | - Hao Zheng
- Institute of Coastal Environmental Pollution Control, Key Laboratory of Marine Environment and Ecology, Ministry of Education, Ocean University of China, Qingdao, 266100, China
| | - Haitao Yu
- Institute of Plant Protection, Gansu Academy of Agricultural Sciences, Lanzhou, 730070, China
| | - Yu Zhang
- Tobacco Research Institute of Chinese Academy of Agricultural Sciences, Qingdao, 266101, China
| | - Chengsheng Zhang
- Tobacco Research Institute of Chinese Academy of Agricultural Sciences, Qingdao, 266101, China
| | - Jie Wang
- Tobacco Research Institute of Chinese Academy of Agricultural Sciences, Qingdao, 266101, China.
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Suzuki M, Kubo K, Hachinohe M, Sato T, Tsukada H, Yamaguchi N, Watanabe T, Maruyama H, Shinano T. Effects of cattle manure compost application on crop growth and soil-to-crop transfer of cesium in a physically radionuclide-decontaminated field. Sci Total Environ 2024; 908:167939. [PMID: 37924879 DOI: 10.1016/j.scitotenv.2023.167939] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/10/2023] [Revised: 10/16/2023] [Accepted: 10/17/2023] [Indexed: 11/06/2023]
Abstract
Resuming crop production in physically decontaminated fields affected by radiocesium (134Cs and 137Cs) releases is crucial for restoring impacted areas. However, surface soil excavation to reduce radiocesium may lead to lower crop yield due to the loss of fertile topsoil. This study aimed to assess the effects of cattle manure compost (CMC) application on soil properties, crop growth, and 137Cs soil-to-crop transfer in a physically decontaminated field and pot experiment. Field trials were conducted during 2018-2022, with CMC (1 and 2 kg m-2 year-1) applied alongside conventional fertilization (CMC1 and CMC2 plots, respectively) in 2018-2019 and conventional fertilization alone in 2020-2022. Additionally, a pot experiment was used to evaluate the impact of CMC application in soil (1 kg m-2 year-1 for 5 years) on 137Cs transfer. In the field trial during 2018-2019, CMC1 and CMC2 plots exhibited higher soybean shoot dry weight (DW) compared with plots receiving conventional fertilization and additional K fertilizer (+K2O). CMC application also improved soil nutrient content. The transfer factor of 137Cs (TF-137Cs: plant 137Cs activity concentration/soil 137Cs activity concentration) followed the order CMC2 < CMC1 ≈ +K2O < conventional fertilization only (CF) and was negatively correlated with soil exchangeable K (Ex-K). During 2020-2022, when all plots received conventional fertilization alone, grain yields were higher in CMC1 and CMC2 plots than in the +K2O plot, with the lowest TF-137Cs in CMC2 plot followed by CMC1, +K2O, and CF plots. The pot experiment confirmed that CMC soil had a lower TF-137Cs and higher plant DW compared with CF soil with the same Ex-K level. Additionally, the soil exchangeable 137Cs (Ex-137Cs) level was significantly lower in CMC soil than CF soil. These findings demonstrate the potential of CMC application to improve crop growth and reduce 137Cs transfer in physically decontaminated fields.
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Affiliation(s)
- Masataka Suzuki
- Research Faculty of Agriculture, Hokkaido University, Kita 9 Nishi 9, Kita-ku, Sapporo, Hokkaido 060-8589, Japan.
| | - Katashi Kubo
- Agricultural Radiation Research Center, Tohoku Agricultural Research Center, National Agriculture and Food Research Organization (NARO), 50 Harajukuminami, Arai, Fukushima 960-2156, Japan.
| | - Mayumi Hachinohe
- Division of Food Quality and Food Safety Research, Institute of Food Research, NARO, 2-1-12 Kannondai, Tsukuba, Ibaraki 305-8642, Japan.
| | - Takashi Sato
- Faculty of Bioresource Sciences, Akita Prefectural University, 241-438 Kaidobata-Nishi, Nakano, Shimoshinjo, Akita 010-0195, Japan.
| | - Hirofumi Tsukada
- Institute of Environmental Radioactivity, Fukushima University, 1 Kanayagawa, Fukushima, Fukushima 960-1296, Japan.
| | - Noriko Yamaguchi
- Division of Environmental Chemical Research, Institute for Agro-environmental Sciences, NARO, 3-1-3 Kan-nondai, Tsukuba, Ibaraki 305-8604, Japan.
| | - Toshihiro Watanabe
- Research Faculty of Agriculture, Hokkaido University, Kita 9 Nishi 9, Kita-ku, Sapporo, Hokkaido 060-8589, Japan.
| | - Hayato Maruyama
- Research Faculty of Agriculture, Hokkaido University, Kita 9 Nishi 9, Kita-ku, Sapporo, Hokkaido 060-8589, Japan.
| | - Takuro Shinano
- Research Faculty of Agriculture, Hokkaido University, Kita 9 Nishi 9, Kita-ku, Sapporo, Hokkaido 060-8589, Japan; Agricultural Radiation Research Center, Tohoku Agricultural Research Center, National Agriculture and Food Research Organization (NARO), 50 Harajukuminami, Arai, Fukushima 960-2156, Japan.
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31
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Guan TX, Lu ZP, Yue M, Li BG, Fu AG, Zhang XD, Li ZH. Accumulation of livestock manure-derived heavy metals in the Hexi Corridor oasis agricultural alkaline soil and bioavailability to Chinese cabbage (Brassica pekinensis L.) after 4-year continuous application. Environ Pollut 2024; 341:122969. [PMID: 37989408 DOI: 10.1016/j.envpol.2023.122969] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/20/2023] [Revised: 10/26/2023] [Accepted: 11/14/2023] [Indexed: 11/23/2023]
Abstract
Hexi Corridor is one of the most important base of vegetable producing areas in China. Livestock manure (LM) applied to agricultural field could lead to soil heavy metal (HM) pollution. Previous studies have focused on HM pollution following LM application in acidic polluted soils; however, fewer studies have been conducted in alkaline unpolluted soils. A 4-year field vegetable production experiment was conducted using pig manure (PM) and chicken manure (CM) at five application rates (0, 15, 30, 45, and 60 t ha-1) to elucidate potential risks of HMs in an alkaline unpolluted soil in the Hexi Corridor oasis agricultural area and HM uptake by Chinese cabbage. The results showed that LM application caused a significant build-up of Cu, Zn, Pb, Cd, and Ni content in topsoil by 30.6-99.7%, 11.4-51.7%, 1.4-31.3%, 5.6-44.9%, 14%-40.8%, respectively. The Cd, Cu, Zn could potentially exceed the soil threshold in next 8-65 years after 15-60 t ha-1 LM application. Under LM treatment, the soil DTPA-extractable Cu, Zn, Fe, the acid-extractable fraction of Cu, Zn, Fe, Cd, Ni, and the Oxidable fraction of Cu, Zn, Fe, Mn, Cd, Ni significantly increased, but the DTPA-extractable Pb, Cd, the acid-extractable fraction of Pb, and the reducible fraction of Cd significantly decreased. Cu and Zn could migrate to the deeper soil and relatively increase in DTPA-extracted Cu, Zn were found in 20-40 cm soil depth after LM application. The pH and SOM could influence the bioavailability of HMs in soil. The bioaccumulation factor and transfer factor (TF) values were <1 except Mn (TF > 1). HMs in leaf did not approach the threshold for HM toxicity due to the "dilution effect". Recommend the type of manure was the PM and the annual PM application rate was 30 t ha-1 to ensure a 20-year period of clean production in alkaline unpolluted Fluvo-aqiuc vegetable soils.
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Affiliation(s)
- Tian-Xia Guan
- Key Laboratory of Resource Biology and Biotechnology in Western China (Ministry of Education), College of Life Sciences, Northwest University, Xi'an 710069, China; Key Laboratory of Hexi Corridor Resources Utilization of Gansu, College of Life Sciences and Engineering, Hexi University, Zhangye 734000, China
| | - Zhao-Ping Lu
- Key Laboratory of Resource Biology and Biotechnology in Western China (Ministry of Education), College of Life Sciences, Northwest University, Xi'an 710069, China
| | - Ming Yue
- Key Laboratory of Resource Biology and Biotechnology in Western China (Ministry of Education), College of Life Sciences, Northwest University, Xi'an 710069, China
| | - Bao-Guo Li
- Key Laboratory of Resource Biology and Biotechnology in Western China (Ministry of Education), College of Life Sciences, Northwest University, Xi'an 710069, China
| | - Ai-Gen Fu
- Key Laboratory of Resource Biology and Biotechnology in Western China (Ministry of Education), College of Life Sciences, Northwest University, Xi'an 710069, China
| | - Xu-Dong Zhang
- Key Laboratory of Terrestrial Ecological Process, Institute of Applied Ecology, Chinese Academy of Sciences, Shenyang 110016, China
| | - Zhong-Hu Li
- Key Laboratory of Resource Biology and Biotechnology in Western China (Ministry of Education), College of Life Sciences, Northwest University, Xi'an 710069, China.
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Li P, Jia L, Chen Q, Zhang H, Deng J, Lu J, Xu L, Li H, Hu F, Jiao J. Adaptive evaluation for agricultural sustainability of different fertilizer management options for a green manure-maize rotation system: Impacts on crop yield, soil biochemical properties and organic carbon fractions. Sci Total Environ 2024; 908:168170. [PMID: 37924887 DOI: 10.1016/j.scitotenv.2023.168170] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/03/2023] [Revised: 10/07/2023] [Accepted: 10/26/2023] [Indexed: 11/06/2023]
Abstract
Green manure planting can reduce the intensity of soil use, while improving farmland productivity in double-cropping systems. However, only few studies have focused on the impacts of green manure application under different fertilization management options on succeeding crop yield and soil organic carbon (SOC) process. A three-year field experiment was conducted with a winter smooth vetch-summer maize cropping system to evaluate the effects of green manure with different chemical fertilizers on soil physiochemical properties, SOC fraction, enzyme activities and maize yield. Total eight treatments were compared including different combinations of green manure and chemical fertilizers (i.e., nitrogen and phosphorus fertilizers) in the smooth vetch phase and maize phase. The results showed that compared to the control, green manure incorporation increased the soil moisture, total nitrogen, total phosphorus, basal respiration, SOC and its labile fractions, and enzyme activities, especially for the treatments of green manure with fertilization. However, the soil pH and bulk density decreased due to green manure application. Maize yield increased 34 %-53 % after green manure application, and was found to be significantly and positively correlated with soil carbon process (P < 0.05). Moreover, SOC and its labile fractions, and total nitrogen were observed as the main drivers of the maize yield. Variation partition analysis demonstrated that soil biochemical properties and their interaction with green manure by fertilization caused variations in SOC fractions. Further, structural equation models indicated that both balanced fertilization practices had positive effects on maize yield and soil carbon process via changes in SOC fractions and C cycling-related enzyme activities, respectively. In addition, the amount balance of chemical fertilizer positively impacted the soil carbon process by regulating SOC fractions through enzyme activities. These findings provide important guidance for applying optimal fertilization management in the green manure phase to improve succeeding crop yield and soil quality as well as to mitigate the adverse impacts of chemical fertilizers. The study will be equally illuminating for other green manure-crop rotation systems.
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Affiliation(s)
- Peng Li
- Sanya Institute of Nanjing Agricultural University, Sanya 572000, China; College of Resources and Environmental Sciences, Nanjing Agricultural University, Nanjing 210014, China; Key Laboratory of Vector Biology and Pathogen Control of Zhejiang Province, College of Life Sciences, Huzhou University, Huzhou 313000, China
| | - Long Jia
- Sanya Institute of Nanjing Agricultural University, Sanya 572000, China; College of Resources and Environmental Sciences, Nanjing Agricultural University, Nanjing 210014, China
| | - Qianqian Chen
- Sanya Institute of Nanjing Agricultural University, Sanya 572000, China; College of Resources and Environmental Sciences, Nanjing Agricultural University, Nanjing 210014, China
| | - Huijuan Zhang
- College of Resources and Environmental Sciences, Nanjing Agricultural University, Nanjing 210014, China
| | - Jianjun Deng
- College of Resources and Environmental Sciences, Nanjing Agricultural University, Nanjing 210014, China
| | - Jiyu Lu
- College of Resources and Environmental Sciences, Nanjing Agricultural University, Nanjing 210014, China
| | - Li Xu
- Sanya Institute of Nanjing Agricultural University, Sanya 572000, China; College of Resources and Environmental Sciences, Nanjing Agricultural University, Nanjing 210014, China
| | - Huixin Li
- Sanya Institute of Nanjing Agricultural University, Sanya 572000, China; College of Resources and Environmental Sciences, Nanjing Agricultural University, Nanjing 210014, China
| | - Feng Hu
- Sanya Institute of Nanjing Agricultural University, Sanya 572000, China; College of Resources and Environmental Sciences, Nanjing Agricultural University, Nanjing 210014, China
| | - Jiaguo Jiao
- Sanya Institute of Nanjing Agricultural University, Sanya 572000, China; College of Resources and Environmental Sciences, Nanjing Agricultural University, Nanjing 210014, China.
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Asghar S, Chen L, He BB. Optimization of Simultaneous Nutrients and Chemical Oxygen Demand Removal from Anaerobically Digested Liquid Dairy Manure in a Two-Step Fed Sequencing Batch Reactor System Using Taguchi Method and Grey Relational Analysis. Appl Biochem Biotechnol 2024; 196:537-557. [PMID: 37155003 DOI: 10.1007/s12010-023-04562-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/26/2023] [Indexed: 05/10/2023]
Abstract
The technological development for efficient nutrient removal from liquid dairy manure is critical to a sustainable dairy industry. A nutrient removal process using a two-step fed sequencing batch reactor (SBR) system was developed in this study to achieve the applicability of simultaneous removal of phosphorus, nitrogen, and chemical oxygen demand from anaerobically digested liquid dairy manure (ADLDM). Three operating parameters, namely anaerobic time:aerobic time (min), anaerobic DO:aerobic DO (mg L-1), and hydraulic retention time (days), were systematically investigated and optimized using the Taguchi method and grey relational analysis for maximum removal efficiencies of total phosphorus (TP), ortho-phosphate (OP), ammonia-nitrogen (NH3-N), total nitrogen (TN), and chemical oxygen demand (COD) simultaneously. The results demonstrated that the optimal mean removal efficiencies of 91.21%, 92.63%, 91.82%, 88.61%, and 90.21% were achieved for TP, OP, NH3-N, TN, and COD at operating conditions, i.e., anaerobic:aerobic time of 90:90 min, anaerobic DO:aerobic DO of 0.4:2.4 mg L-1, and HRT of 3 days. Based on analysis of variance, the percentage contributions of these operating parameters towards the mean removal efficiencies of TP and COD were ranked in the order of anaerobic DO:aerobic DO > HRT > anaerobic time:aerobic time, while HRT was the most influential parameter for the mean removal efficiencies of OP, NH3-N, and TN followed by anaerobic time:aerobic time and anaerobic DO:aerobic DO. The optimal conditions obtained in this study are beneficial to the development of pilot and full-scale systems for simultaneous biological removal of phosphorus, nitrogen, and COD from ADLDM.
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Affiliation(s)
- Sehrish Asghar
- Environmental Science Program, College of Natural Resources, University of Idaho, Moscow, ID, 83843, USA
| | - Lide Chen
- Department of Soil and Water Systems, Twin Falls Research and Extension Center, University of Idaho, 315 Falls Avenue, PO Box 1827, Twin Falls, ID, 83303-1827, USA.
| | - B Brian He
- Department of Chemical and Biological Engineering, College of Engineering, University of Idaho, 875 Perimeter Dr. MS 0904, Moscow, ID, 83844, USA
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Aguirre-Villegas HA, Besson C, Larson RA. Modeling ammonia emissions from manure in conventional, organic, and grazing dairy systems and practices to mitigate emissions. J Dairy Sci 2024; 107:359-382. [PMID: 37690730 DOI: 10.3168/jds.2023-23782] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2023] [Accepted: 08/01/2023] [Indexed: 09/12/2023]
Abstract
Almost 60% of all ammonia (NH3) emissions are from livestock manure. Understanding the sources and magnitude of NH3 emissions from manure systems is critical to implement mitigation strategies. This study models 13 archetypical conventional (5 farms), organic (5 farms), and grazing (3 farms) dairy farms to estimate NH3 emissions from manure at the barn, storage, and after land application. Mitigation practices related to management of the herd, crop production, and manure are subsequently modeled to quantify the change in NH3 emissions from manure by comparing archetypical practices with these alternative practices. A mass balance of nutrients is also conducted. Emissions per tonne of excreted manure for the manure system (barn, storage, and land application) range from 3.0 to 4.4 g of NH3 for conventional farms, 3.5 to 4.4 g of NH3 for organic farms, and 3.4 to 3.9 g of NH3 for grazing farms. For all farm types, storage and land application are the main sources of NH3 emissions from manure. In general, solid manures have higher emission intensities due to higher pH during storage (pH = 7.4 for liquid, 7.8 for slurry, and 8.5 for solid manure) and lower infiltration rates after land application when compared with slurry and liquid manures. The most effective management practices to reduce NH3 emissions from manure systems are combining solid-liquid separation with manure injection (up to 49% reduction in NH3 emissions), followed by injection alone, and reducing crude protein in the dairy ration, especially in organic and grazing farms that have grazing and forages as the main component of the dairy ration. This study also shows that the intensity of NH3 emissions from manure depends significantly on the functional unit and presents results per manure excreted, total solids in excreted manure, animal units, and fat- and protein-corrected milk.
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Affiliation(s)
| | - Caleb Besson
- Department of Biological Systems Engineering, University of Wisconsin-Madison, Madison, WI 53706
| | - Rebecca A Larson
- Nelson Institute for Environmental Studies, University of Wisconsin-Madison, Madison, WI 53706
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Liu S, Han Z, Zhu D, Luan X, Deng L, Dong L, Yang M, Zhang Y. Field-based evidence for the enrichment of intrinsic antibiotic resistome stimulated by plant-derived fertilizer in agricultural soil. J Environ Sci (China) 2024; 135:728-740. [PMID: 37778843 DOI: 10.1016/j.jes.2022.08.009] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2022] [Revised: 08/02/2022] [Accepted: 08/05/2022] [Indexed: 10/03/2023]
Abstract
Animal manures have been demonstrated to enhance antibiotic resistance in agricultural soils. However, little is known about the effects of plant-derived fertilizer on soil antibiotic resistome. Herein, metagenomic sequencing was used to investigate the effects of a plant-derived fertilizer processed from sugarcane and beet on soil antibiotic resistance genes (ARGs) in a soybean field along crop growth stages. ARG profiles in the soils amended by plant-derived fertilizer were compared with those in the soils amended by chicken manure. The abundance and diversity of total ARGs in the soils amended by plant-derived fertilizer were significantly (P < 0.05) elevated at the sprout stage, to a level comparable to that in the manured soils. Whereas, unlike chicken manure mainly introducing manure-borne ARGs to soil, the plant-derived fertilizer was indicated to mainly enrich multidrug resistance genes in soil by nourishing indigenous bacteria. ARGs with abundances in amended soils significantly (P < 0.05) higher than in unamended soils at the sprout stage of soybean were considered as enriched ARGs. Decrease in the abundance of the enriched ARGs was observed in both the amended soils from the sprout to the harvest. Network analysis further identified Proteobacteria and Bacteroidetes as the primary bacterial taxa involved in the temporal variation of the enriched ARGs in the soils amended by plant-derived fertilizer, while in manured soils were Firmicutes and Actinobacteria. As revealed by multivariate statistical analyses, variation of the enriched ARGs in the soils amended by plant-derived fertilizer was majorly attributed to the response of co-occurred bacteria to depleting nutrients, which was different from the failed establishment of manure-borne bacteria in the manured soils. Our study provided field-based evidence that plant-derived fertilizer stimulated the intrinsic antibiotic resistome, and proposed attention to the un-perceived risk since some clinically relevant ARGs originate and evolve from natural resistome.
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Affiliation(s)
- Shihai Liu
- State Key Laboratory of Environmental Aquatic Chemistry, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Ziming Han
- State Key Laboratory of Environmental Aquatic Chemistry, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Dong Zhu
- State Key Laboratory of Urban and Regional Ecology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China
| | - Xiao Luan
- State Key Laboratory of Environmental Aquatic Chemistry, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China
| | - Liujie Deng
- State Environmental Protection Engineering Center for Harmless Treatment and Resource Utilization of Antibiotic Residues, Khorgos 835007, China
| | - Liping Dong
- State Environmental Protection Engineering Center for Harmless Treatment and Resource Utilization of Antibiotic Residues, Khorgos 835007, China
| | - Min Yang
- State Key Laboratory of Environmental Aquatic Chemistry, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Yu Zhang
- State Key Laboratory of Environmental Aquatic Chemistry, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China; University of Chinese Academy of Sciences, Beijing 100049, China.
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Schlütz F, Hofmann R, dal Corso M, Pashkevych G, Dreibrodt S, Shatilo M, Terna A, Fuchs K, Videiko M, Rud V, Müller J, Kirleis W. Isotopes prove advanced, integral crop production, and stockbreeding strategies nourished Trypillia mega-populations. Proc Natl Acad Sci U S A 2023; 120:e2312962120. [PMID: 38109547 PMCID: PMC10756257 DOI: 10.1073/pnas.2312962120] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2023] [Accepted: 10/27/2023] [Indexed: 12/20/2023] Open
Abstract
After 500 y of colonizing the forest-steppe area northwest of the Black Sea, on the territories of what is today Moldova and Ukraine, Trypillia societies founded large, aggregated settlements from ca. 4150 BCE and mega-sites (>100 ha) from ca. 3950 BCE. Covering up to 320 ha and housing up to 15,000 inhabitants, the latter were the world's largest settlements to date. Some 480 δ13C and δ15N measurements on bones of humans, animals, and charred crops allow the detection of spatio-temporal patterns and the calculation of complete agricultural Bayesian food webs for Trypillia societies. The isotope data come from settlements of the entire Trypillia area between the Prut and the Dnieper rivers. The datasets cover the development of the Trypillia societies from the early phase (4800-4200/4100 BCE), over the agglomeration of mega-sites (4200/4100-3650 BCE), to the dispersal phase (3650-3000 BCE). High δ15N values mostly come from the mega-sites. Our analyses show that the subsistence of Trypillia mega-sites depended on pulses cultivated on strongly manured (dung-)soils and on cattle that were kept fenced on intensive pastures to easy collect the manure for pulse cultivation. The food web models indicate a low proportion of meat in human diet (approximately 10%). The largely crop-based diet, consisting of cereals plus up to 46% pulses, was balanced in calories and indispensable amino acids. The flourishing of Europe's first mega-populations depended on an advanced, integral mega-economy that included sophisticated dung management. Their demise was therefore not economically, but socially, conditioned [Hofmann et al., PLoS One. 14, e0222243 (2019)].
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Affiliation(s)
- Frank Schlütz
- Institute of Prehistoric and Protohistoric Archaeology, Christian-Albrechts-University, Kiel24118, Germany
- Collaborative Research Centre 1266 “Scales of Transformation,” Christian-Albrechts-University, Kiel24118, Germany
| | - Robert Hofmann
- Institute of Prehistoric and Protohistoric Archaeology, Christian-Albrechts-University, Kiel24118, Germany
- Collaborative Research Centre 1266 “Scales of Transformation,” Christian-Albrechts-University, Kiel24118, Germany
| | - Marta dal Corso
- Institute of Prehistoric and Protohistoric Archaeology, Christian-Albrechts-University, Kiel24118, Germany
- Collaborative Research Centre 1266 “Scales of Transformation,” Christian-Albrechts-University, Kiel24118, Germany
- Department of Geosciences, University of Padua, Padua35122, Italy
| | - Galyna Pashkevych
- National Museum of Natural Sciences of the National Academy of Sciences of Ukraine, Kyiv01030, Ukraine
| | - Stefan Dreibrodt
- Collaborative Research Centre 1266 “Scales of Transformation,” Christian-Albrechts-University, Kiel24118, Germany
- Institute for Ecosystem Research, Christian-Albrechts-University, 24118 Kiel
- Baden-Württemberg State Office for Cultural Heritage, 78343 Gaienhofen-Hemmenhofen, Germany
| | - Mila Shatilo
- Collaborative Research Centre 1266 “Scales of Transformation,” Christian-Albrechts-University, Kiel24118, Germany
| | - Andreea Terna
- Institute of Prehistoric and Protohistoric Archaeology, Christian-Albrechts-University, Kiel24118, Germany
- Collaborative Research Centre 1266 “Scales of Transformation,” Christian-Albrechts-University, Kiel24118, Germany
| | - Katharina Fuchs
- Collaborative Research Centre 1266 “Scales of Transformation,” Christian-Albrechts-University, Kiel24118, Germany
- Institute of Clinical Molecular Biology, Christian-Albrechts-University, Kiel24105, Germany
| | - Mykhailo Videiko
- Research Laboratory of Archaeology, Borys Grinchenko Kyiv University, Kyiv04053, Ukraine
| | - Vitalii Rud
- Institute of Archaeology, National Academy of Sciences of Ukraine, Kyiv01030, Ukraine
| | - Johannes Müller
- Institute of Prehistoric and Protohistoric Archaeology, Christian-Albrechts-University, Kiel24118, Germany
- Collaborative Research Centre 1266 “Scales of Transformation,” Christian-Albrechts-University, Kiel24118, Germany
| | - Wiebke Kirleis
- Institute of Prehistoric and Protohistoric Archaeology, Christian-Albrechts-University, Kiel24118, Germany
- Collaborative Research Centre 1266 “Scales of Transformation,” Christian-Albrechts-University, Kiel24118, Germany
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Song C, Gao Y, Sun Q, Zhao Y, Qi H, Chen Z, Li J, Wang S, Wei Z. Insight into the pathways of biochar/smectite-induced humification during chicken manure composting. Sci Total Environ 2023; 905:167298. [PMID: 37742972 DOI: 10.1016/j.scitotenv.2023.167298] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/18/2023] [Revised: 09/21/2023] [Accepted: 09/21/2023] [Indexed: 09/26/2023]
Abstract
As representative organic and inorganic additives, both biochar and smectite exhibit an excellent capacity to improve humification efficiency during composting. Nevertheless, the mechanisms underlying biochar/smectite-induced compost humification have still not been fully explored from the perspective of overall organic substances. In this study, three composting treatments were performed as follows: 10 % biochar-amended composting, 10 % smectite-amended composting and natural composting without any additive. UV-visible parameters and synchronous hetero two-dimensional correlation spectra showed that biochar accelerated dissolved organic matter (DOM) complications, unsaturation and aromatization. For example, biochar promoted the C2 and simple C3 peaks to convert into a sophisticated C3/360 peak. However, the effect of smectite was negligible in complicating the DOM structure. Both biochar and smectite displayed an invigorating role in promoting humic substance (HS) formation. The strengthened relations between bacterial richness and physicochemical indicators and HS fractions might contribute to the positive action of biochar/smectite on HS synthesis. Network analysis showed that both bacterial functional omnipotence and specialization in response to the addition of catalysts may contribute to compost humification. The chemical pathway involved in DOM humification was intensified by enhancing the role of pH in biochar composting and weakening the degradation of unsaturated aromatic compounds of DOM with smectite addition. These findings benefit the practical application of biochar/smectite in promoting composting efficiency.
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Affiliation(s)
- Caihong Song
- College of Life Science, Liaocheng University, Liaocheng 252000, China; College of Life Science, Northeast Agricultural University, Harbin 150030, China
| | - Yunxiang Gao
- College of Life Science, Liaocheng University, Liaocheng 252000, China
| | - Qihaoqiang Sun
- College of Life Science, Liaocheng University, Liaocheng 252000, China
| | - Yue Zhao
- College of Life Science, Northeast Agricultural University, Harbin 150030, China
| | - Hui Qi
- College of Life Science, Liaocheng University, Liaocheng 252000, China
| | - Zhiru Chen
- College of Life Science, Liaocheng University, Liaocheng 252000, China
| | - Jie Li
- College of Life Science, Liaocheng University, Liaocheng 252000, China
| | - Shenghui Wang
- College of Life Science, Liaocheng University, Liaocheng 252000, China
| | - Zimin Wei
- College of Life Science, Liaocheng University, Liaocheng 252000, China; Tianjin Key Laboratory of Animal and Plant Resistance, College of Life Sciences, Tianjin Normal University, Tianjin 300387, China.
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Strenge E, Zoboli O, Mehdi-Schulz B, Parajka J, Schönhart M, Krampe J, Zessner M. Regional nitrogen budgets of agricultural production systems in Austria constrained by natural boundary conditions. J Environ Manage 2023; 347:119023. [PMID: 37816279 DOI: 10.1016/j.jenvman.2023.119023] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/10/2023] [Revised: 07/30/2023] [Accepted: 09/14/2023] [Indexed: 10/12/2023]
Abstract
Nitrogen (N) budgets are valuable tools to increase the understanding of causalities between agricultural production and N emissions to support agri-environmental policy instruments. However, regional agricultural N budgets for an entire country covering all major N flows across sectors and environmental compartments, which also distinguish between different N forms, are largely lacking. This study comprehensively analyses regional differences in N budgets pertainting to agricultural production and consumption in the largely alpine and spatially heterogeneous country of Austria. A special focus is on the interconnections between regional agricultural production systems, N emissions, nitrogen use efficiencies (NUE), and natural boundary conditions. Seven regional and one national balance are undertaken via material flow analysis and are analysed with regards to losses into soils, water bodies and atmosphere. Further, NUE is calculated for two conceptual systems of plant and plant-livestock production. The results reveal major differences among regions, with significant implications for agri-environmental management. The high-alpine region, characterized by alpine pastures with a low livestock density, shows consequent low N inputs, the lowest area-specific N outputs and the most inefficient NUE. In contrast, the highest NUE is achieved in a lowland region specialized in arable farming with a low livestock density and a predominance of mineral fertilizer over manure application. In this region, the N surplus is almost as low as in the high-alpine region due to both significantly higher N inputs and outputs compared to the high-alpine region. Nevertheless, due to low precipitation levels, widespread exceedances of the nitrate target level concentration take place in the groundwater. The same issue arises in another non-alpine region characterized by arable farming and high livestock densities. Here, the highest N inputs, primarily via manure, result in the highest N surplus and related nitrate groundwater exceedances despite an acceptable NUE. These examples show that NUE alone is an insufficient target and that adapted criteria are needed for different regions to consider natural constraints and specific framework conditions. In a geographically heterogeneous country like Austria, the regional circumstances strongly define and limit the scope and the potential effectiveness of agricultural N management strategies. These aspects should be integrated into the design, assessment and implementation of agri-environmental programmes.
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Affiliation(s)
- Eva Strenge
- Institute for Water Quality and Resource Management, TU Wien, Karlsplatz 13/226, 1040, Vienna, Austria.
| | - Ottavia Zoboli
- Institute for Water Quality and Resource Management, TU Wien, Karlsplatz 13/226, 1040, Vienna, Austria
| | - Bano Mehdi-Schulz
- Institute of Hydrology and Water Management, University of Natural Resources and Life Sciences, Muthgasse 18, 1190, Vienna, Austria
| | - Juraj Parajka
- Institute of Hydraulic Engineering and Water Resources Management, TU Wien, Karlsplatz 13/222, 1040, Vienna, Austria
| | - Martin Schönhart
- Institute of Sustainable Economic Development, University of Natural Resources and Life Sciences, Feistmantelstraße 4, 1180, Vienna, Austria
| | - Jörg Krampe
- Institute for Water Quality and Resource Management, TU Wien, Karlsplatz 13/226, 1040, Vienna, Austria
| | - Matthias Zessner
- Institute for Water Quality and Resource Management, TU Wien, Karlsplatz 13/226, 1040, Vienna, Austria
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Gao J, Zhang X, Luo J, Zhu P, Lindsey S, Gao H, Li Q, Peng C, Zhang L, Xu L, Qiu W, Jiao Y. Changes in soil fertility under partial organic substitution of chemical fertilizer: a 33-year trial. J Sci Food Agric 2023; 103:7424-7433. [PMID: 37385969 DOI: 10.1002/jsfa.12819] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/09/2023] [Revised: 06/23/2023] [Accepted: 06/29/2023] [Indexed: 07/01/2023]
Abstract
BACKGROUND This study examined the changes in soil fertility in a maize cropping area when chemical fertilizer was partially replaced with straw or livestock manure over a 33-year period. Four treatments were included: (i) CK (no fertilizer application); (ii) NPK (only chemical fertilizer application); (iii) NPKM (chemical fertilizer partly replaced with livestock manure); (iv) NPKS (chemical fertilizer partly replaced with straw). RESULTS Soil organic carbon increased by 41.7% and 95.5% in the NPKS and NPKM treatments, respectively, over the 33-year trial compared with the initial concentration. However, soil organic carbon in NPK was significantly reduced by 9.8%. Soil total N, P and K increased in both NPKM and NPKS treatments compared to the original soil. Soil pH was significantly acidified from 7.6 to 5.97 in the NPK treatment during the experimental period. The NPKM and NPKS treatments buffered the acidification compared to NPK. Meta-analysis results showed that, compared with NPK, NPKM significantly raised soil bacteria and fungi populations by 38.7% and 58.6%; enhanced microbial biomass carbon and nitrogen by 66.3% and 63%, respectively; and increased sucrase, urease and catalase activities by 34.2%, 48.2% and 21.5%. NPKS significantly increased soil fungi and actinomycetes populations by 24.3% and 41.2%, respectively; enhanced microbial biomass carbon and nitrogen by 27.1% and 45%; and strengthened sucrase and urease activities by 36% and 20.3%, respectively. CONCLUSION Long-term chemical fertilizer application led to the deterioration of soil fertility and environment. Partial replacement of chemical fertilizers with organic materials could significantly amend and buffer such negative effects. © 2023 Society of Chemical Industry.
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Affiliation(s)
- Jichao Gao
- Jilin Academy of Agricultural Sciences, Changchun, China
| | - Xiuzhi Zhang
- Jilin Academy of Agricultural Sciences, Changchun, China
| | - Jiafa Luo
- AgResearch Limited, Ruakura Research Centre, Hamilton, New Zealand
| | - Ping Zhu
- Jilin Academy of Agricultural Sciences, Changchun, China
| | - Stuart Lindsey
- AgResearch Limited, Ruakura Research Centre, Hamilton, New Zealand
| | - Hongjun Gao
- Jilin Academy of Agricultural Sciences, Changchun, China
| | - Qiang Li
- Jilin Academy of Agricultural Sciences, Changchun, China
| | - Chang Peng
- Jilin Academy of Agricultural Sciences, Changchun, China
| | - Lei Zhang
- Institute of Applied Ecology, Chinese Academy of Sciences, Shenyang, China
| | - Lingying Xu
- State Key Laboratory of Soil and Sustainable Agriculture, Changshu National Agro-Ecosystem Observation and Research Station, Institute of Soil Science, Chinese Academy of Sciences, Nanjing, China
| | - Weiwen Qiu
- Plant & Food Research, Private Bag 4704, Christchurch Mail Centre, Christchurch, New Zealand
| | - Yunfei Jiao
- Jilin Academy of Agricultural Sciences, Changchun, China
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Liang H, Zhou GP, Gao SJ, Nie J, Xu CX, Wu J, Liu CZ, Lv YH, Huang YB, Geng MJ, Wang JH, He TG, Cao WD. Exploring site-specific N application rate to reduce N footprint and increase crop production for green manure-rice rotation system in southern China. J Environ Manage 2023; 347:119033. [PMID: 37757691 DOI: 10.1016/j.jenvman.2023.119033] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/22/2023] [Revised: 08/11/2023] [Accepted: 09/17/2023] [Indexed: 09/29/2023]
Abstract
Milk vetch (Astragalus sinicus L.) is leguminous green manure (GM) which produces organic nitrogen (N) for subsequent crops and is widely planted and utilized to simultaneously reduce the use of synthetic N fertilizer and its environmental costs in rice systems. Determination of an optimal N application rate specific to the GM-rice system is challenging because of the large temporal and spatial variations in soil, climate, and field management conditions. To solve this problem, we developed a framework to explore the site-specific N application rate for the low-N footprint rice production system in southern China based on multi-site field experiments, farmer field survey, and process-based model (WHCNS_Rice, soil water heat carbon nitrogen simulator for rice). The results showed that a process-based model can explain >83.3% (p < 0.01) of the variation in rice yield, aboveground biomass, crop N uptake, and soil mineral N. Based on the scenario analysis of the tested WHCNS_Rice model, the simple regression equation was developed to implement site-specific N application rates that considered variations in GM biomass, soil, and climatic conditions. Simulation evaluation on nine provinces in southern China showed that the site-specific N application rate reduced regional synthetic N fertilizer input by 29.6 ± 17.8% and 65.3 ± 23.0% for single and early rice, respectively; decreased their total N footprints (NFs) by 23.4% and 49.3%, respectively; and without reduction in rice yield, compared with traditional farming N practices. The reduction in total NF was attributed to the reduced emissions from ammonia volatilization by 35.2%, N leaching by 28.4%, and N runoff by 32.7%. In this study, we suggested a low NF rice production system that can be obtained by combining GM with site-specific N application rate in southern China.
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Affiliation(s)
- Hao Liang
- College of Agricultural Science and Engineering, Hohai University, Nanjing, China
| | - Guo-Peng Zhou
- State Key Laboratory of Efficient Utilization of Arid and Semi-arid Arable Land in Northern China, Institute of Agricultural Resources and Regional Planning, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Song-Juan Gao
- College of Resources and Environmental Sciences, Nanjing Agricultural University, Nanjing, China.
| | - Jun Nie
- Soil and Fertilizer Institute of Hunan Province, Hunan Academy of Agricultural Sciences, Changsha, China
| | - Chang-Xu Xu
- Institute of Soil & Fertilizer and Resources & Environment, Jiangxi Academy of Agricultural Sciences, Nanchang, China
| | - Ji Wu
- Institute of Soil and Fertilizer, Anhui Academy of Agricultural Sciences, Hefei, China
| | - Chun-Zeng Liu
- Institute of Plant Nutrition Agricultural Resources and Environmental Sciences, Henan Academy of Agricultural Sciences, Zhengzhou, China
| | - Yu-Hu Lv
- Xinyang Academy of Agricultural Sciences, Xinyang, China
| | - Yi-Bin Huang
- Institute of Soil and Fertilizer, Resources and Environment, Fujian Academy of Agricultural Sciences, Fuzhou, China
| | - Ming-Jian Geng
- College of Resources and Environment, Huazhong Agricultural University, Wuhan, China
| | - Jian-Hong Wang
- Institute of Environment and Resource & Soil Fertilizer, Zhejiang Academy of Agricultural Sciences, Hangzhou, China
| | - Tie-Guang He
- Agricultural Resources and Environmental Research Institute, Guangxi Academy of Agricultural Sciences/Guangxi Key Laboratory of Arable Land Conservation, Nanning, China
| | - Wei-Dong Cao
- State Key Laboratory of Efficient Utilization of Arid and Semi-arid Arable Land in Northern China, Institute of Agricultural Resources and Regional Planning, Chinese Academy of Agricultural Sciences, Beijing, China.
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Li H, Li D, Xu S, Wang Z, Chen X, Ding Y, Chu Q, Sha Z. Hydrothermal carbonization of biogas slurry and cattle manure into soil conditioner mitigates ammonia volatilization from paddy soil. Chemosphere 2023; 344:140378. [PMID: 37806332 DOI: 10.1016/j.chemosphere.2023.140378] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/05/2023] [Revised: 09/19/2023] [Accepted: 10/05/2023] [Indexed: 10/10/2023]
Abstract
Hydrothermal carbonization of biogas slurry and animal manure into hydrochar could enhance waste recycling waste and minimize ammonia (NH3) volatilization from paddy fields. In this study, cattle manure-derived hydrochar prepared in the presence of Milli-Q water (CMWH) and biogas slurry (CMBSH), and biogas slurry-based hydrochar embedded with zeolite (ZHC) were applied to rice-paddy soil. The results demonstrated that CMBSH and ZHC treatments could significantly mitigate the cumulative NH3 volatilization and yield-scale NH3 volatilization by 27.9-45.2% and 28.5-45.4%, respectively, compared to the control group (without hydrochar addition), and significantly correlated with pH and ammonium-nitrogen (NH4+-N) concentration in floodwater. Nitrogen (N) loss via NH3 volatilization in the control group accounted for 24.9% of the applied N fertilizer, whereas CMBSH- and ZHC-amended treatments accounted for 13.6-17.9% of N in applied fertilizer. The reduced N loss improved soil N retention and availability for rice; consequently, grain N content significantly increased by 6.5-14.9% and N-use efficiency increased by 6.4-16.0% (P < 0.05), respectively. Based on linear fitting results, NH3 volatilization mitigation resulted from lower pH and NH4+-N concentration in floodwater that resulted from the acidic property and specific surface area of hydrochar treatments. Moreover, NH3-oxidizing archaea abundance in hydrochar-treated soil decreased by 40.9-46.9% in response to CMBSH and ZHC treatments, potentially suppressing NH4+-N transformation into nitrate and improving soil NH4+-N retention capacity. To date, this study applied biogas slurry-based hydrochar into paddy soil for the first time and demonstrated that ZHC significantly mitigated NH3 and increased N content. Overall, this study proposes an environmental-friendly strategy to recycle the wastes, biogas slurry, to the paddy fields to mitigate NH3 volatilization and increase grain yield of rice.
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Affiliation(s)
- Huiting Li
- School of Earth and Environment, Anhui University of Science and Technology, Huainan, 232001, China
| | - Detian Li
- School of Earth and Environment, Anhui University of Science and Technology, Huainan, 232001, China; School of Agriculture and Biology, Shanghai Jiao Tong University, Shanghai, 200240, China
| | - Shuhan Xu
- School of Agriculture and Biology, Shanghai Jiao Tong University, Shanghai, 200240, China
| | - Zhenqi Wang
- Shanghai Academy of Environmental Sciences, Shanghai, 200233, China; College of Environmental Science and Engineering, Tongji University, Shanghai, 200092, China
| | - Xu Chen
- Department of Physiology, Shandong Provincial Key Laboratory of Pathogenesis and Prevention of Neurological Disorders and State Key Disciplines, Physiology, School of Basic Medicine, Medical College, Qingdao University, Qingdao, China
| | - Yuling Ding
- School of Agriculture and Biology, Shanghai Jiao Tong University, Shanghai, 200240, China
| | - Qingnan Chu
- Centro de Biotecnología y Genómica de Plantas (UPM-INIA). Universidad Politécnica de Madrid, Campus de Montegancedo, Madrid, 28223, Spain.
| | - Zhimin Sha
- School of Agriculture and Biology, Shanghai Jiao Tong University, Shanghai, 200240, China.
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Çinar G, Dragoni F, Ammon C, Belik V, van der Weerden TJ, Noble A, Hassouna M, Amon B. Effects of environmental and housing system factors on ammonia and greenhouse gas emissions from cattle barns: A meta-analysis of a global data collation. Waste Manag 2023; 172:60-70. [PMID: 37714011 DOI: 10.1016/j.wasman.2023.09.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/18/2023] [Revised: 08/02/2023] [Accepted: 09/07/2023] [Indexed: 09/17/2023]
Abstract
This study provides a meta-analysis on the relationships between cattle barn CH4, NH3 and N2O emission rates and their key drivers (i.e., housing type, floor type, environmental conditions). Understanding these relationships is essential to reduce uncertainties in emission inventories and suggest targeted mitigation measures. The total number of daily emission rates included in the analysis was 139 for CH4, 293 for NH3 and 100 for N2O emissions. Emission rates in the database showed a large variation with 45-803.5 g/LU d-1 for CH4, 0.036-146.7 gN LU-1 d-1 for NH3, and 0.002-18 gN LU-1 d-1 for N2O emissions. Despite the high emission variability, significant effects were identified·NH3 showed positive correlation with air temperature; NH3 emissions differed between housing types but not between floor types·NH3 emissions from tied stalls were lower than the ones from cubicle housing regardless of the floor type. Additionally, NH3 emissions from loose housings were lower than the ones from cubicle housing·NH3 and N2O emission rates from temperate wet zones were lower than the ones from temperate dry zones. CH4 emission rates were affected by environmental factors only and not by housing and floor type, showing negative correlation with air temperature and humidity. The factors investigated can be suggested as ancillary variables and descriptors when cattle barn emissions are measured, in order to make best use of emission data. Country-specific data of these key drivers can be included into national inventories to adapt them to different agroecosystems and support targeted policies.
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Affiliation(s)
- Gültac Çinar
- Leibniz Institute for Agricultural Engineering and Bioeconomy (ATB), Max-Eyth-Allee 100, 14469 Potsdam, Germany; Institute for Animal Hygiene and Environmental Health, Department of Veterinary Medicine, Freie Universität Berlin, Robert-von-Ostertag 7-13, 14163 Berlin, Germany
| | - Federico Dragoni
- Leibniz Institute for Agricultural Engineering and Bioeconomy (ATB), Max-Eyth-Allee 100, 14469 Potsdam, Germany.
| | - Christian Ammon
- Leibniz Institute for Agricultural Engineering and Bioeconomy (ATB), Max-Eyth-Allee 100, 14469 Potsdam, Germany
| | - Vitaly Belik
- Veterinary Epidemiology and Biometry, Freie Universität Berlin, Königsweg 67, 14163 Berlin, Germany
| | | | - Alasdair Noble
- AgResearch Ltd, Lincoln Research Centre, Lincoln 7674, New Zealand
| | | | - Barbara Amon
- Leibniz Institute for Agricultural Engineering and Bioeconomy (ATB), Max-Eyth-Allee 100, 14469 Potsdam, Germany; University of Zielona Góra, Faculty of Civil Engineering, Architecture and Environmental Engineering, 65-417 Zielona Góra, Poland
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Zhao Z, Yang C, Gao B, Wu Y, Ao Y, Ma S, Jiménez N, Zheng L, Huang F, Tomberlin JK, Ren Z, Yu Z, Yu C, Zhang J, Cai M. Insights into the reduction of antibiotic-resistant bacteria and mobile antibiotic resistance genes by black soldier fly larvae in chicken manure. Ecotoxicol Environ Saf 2023; 266:115551. [PMID: 37832484 DOI: 10.1016/j.ecoenv.2023.115551] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/11/2023] [Revised: 09/20/2023] [Accepted: 10/04/2023] [Indexed: 10/15/2023]
Abstract
The increasing prevalence of antibiotic-resistant bacteria (ARB) from animal manure has raised concerns about the potential threats to public health. The bioconversion of animal manure with insect larvae, such as the black soldier fly larvae (BSFL, Hermetia illucens [L.]), is a promising technology for quickly attenuating ARB while also recycling waste. In this study, we investigated BSFL conversion systems for chicken manure. Using metagenomic analysis, we tracked ARB and evaluated the resistome dissemination risk by investigating the co-occurrence of antibiotic resistance genes (ARGs), mobile genetic elements (MGEs), and bacterial taxa in a genetic context. Our results indicated that BSFL treatment effectively mitigated the relative abundance of ARB, ARGs, and MGEs by 34.9%, 53.3%, and 37.9%, respectively, within 28 days. Notably, the transferable ARGs decreased by 30.9%, indicating that BSFL treatment could mitigate the likelihood of ARG horizontal transfer and thus reduce the risk of ARB occurrence. In addition, the significantly positive correlation links between antimicrobial concentration and relative abundance of ARB reduced by 44.4%. Moreover, using variance partition analysis (VPA), we identified other bacteria as the most important factor influencing ARB, explaining 20.6% of the ARB patterns. Further analysis suggested that antagonism of other bacteria on ARB increased by 1.4 times, while nutrient competition on both total nitrogen and crude fat increased by 2.8 times. Overall, these findings provide insight into the mechanistic understanding of ARB reduction during BSFL treatment of chicken manure and provide a strategy for rapidly mitigating ARB in animal manure.
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Affiliation(s)
- Zhengzheng Zhao
- State Key Laboratory of Agricultural Microbiology, National Engineering Research Center of Microbial Pesticides, College of Life Science and Technology, Huazhong Agricultural University, Wuhan 430070, PR China; Hubei Hongshan Laboratory, Wuhan 430070, Hubei, PR China
| | - Chongrui Yang
- State Key Laboratory of Agricultural Microbiology, National Engineering Research Center of Microbial Pesticides, College of Life Science and Technology, Huazhong Agricultural University, Wuhan 430070, PR China; Hubei Hongshan Laboratory, Wuhan 430070, Hubei, PR China
| | - Bingqi Gao
- State Key Laboratory of Agricultural Microbiology, National Engineering Research Center of Microbial Pesticides, College of Life Science and Technology, Huazhong Agricultural University, Wuhan 430070, PR China; Hubei Hongshan Laboratory, Wuhan 430070, Hubei, PR China
| | - Yushi Wu
- State Key Laboratory of Agricultural Microbiology, National Engineering Research Center of Microbial Pesticides, College of Life Science and Technology, Huazhong Agricultural University, Wuhan 430070, PR China; Hubei Hongshan Laboratory, Wuhan 430070, Hubei, PR China
| | - Yue Ao
- State Key Laboratory of Biocatalysis and Enzyme Engineering, School of Life Sciences, Hubei University, Wuhan 430062, PR China
| | - Shiteng Ma
- State Key Laboratory of Agricultural Microbiology, National Engineering Research Center of Microbial Pesticides, College of Life Science and Technology, Huazhong Agricultural University, Wuhan 430070, PR China; Hubei Hongshan Laboratory, Wuhan 430070, Hubei, PR China
| | - Núria Jiménez
- Department of Chemical Engineering, Vilanova i la Geltrú School of Engineering (EPSEVG), Universitat Politècnica de Catalunya·BarcelonaTech, Vilanova i la Geltrú 08800, Spain
| | - Longyu Zheng
- State Key Laboratory of Agricultural Microbiology, National Engineering Research Center of Microbial Pesticides, College of Life Science and Technology, Huazhong Agricultural University, Wuhan 430070, PR China; Hubei Hongshan Laboratory, Wuhan 430070, Hubei, PR China
| | - Feng Huang
- State Key Laboratory of Agricultural Microbiology, National Engineering Research Center of Microbial Pesticides, College of Life Science and Technology, Huazhong Agricultural University, Wuhan 430070, PR China; Hubei Hongshan Laboratory, Wuhan 430070, Hubei, PR China
| | | | - Zhuqing Ren
- Hubei Hongshan Laboratory, Wuhan 430070, Hubei, PR China; Key Laboratory of Agriculture Animal Genetics, Breeding and Reproduction of the Ministry of Education, College of Animal Science, Huazhong Agricultural University, Wuhan, Hubei, 430070, PR China
| | - Ziniu Yu
- State Key Laboratory of Agricultural Microbiology, National Engineering Research Center of Microbial Pesticides, College of Life Science and Technology, Huazhong Agricultural University, Wuhan 430070, PR China; Hubei Hongshan Laboratory, Wuhan 430070, Hubei, PR China
| | - Chan Yu
- State Key Laboratory of Biocatalysis and Enzyme Engineering, School of Life Sciences, Hubei University, Wuhan 430062, PR China
| | - Jibin Zhang
- State Key Laboratory of Agricultural Microbiology, National Engineering Research Center of Microbial Pesticides, College of Life Science and Technology, Huazhong Agricultural University, Wuhan 430070, PR China; Hubei Hongshan Laboratory, Wuhan 430070, Hubei, PR China.
| | - Minmin Cai
- State Key Laboratory of Agricultural Microbiology, National Engineering Research Center of Microbial Pesticides, College of Life Science and Technology, Huazhong Agricultural University, Wuhan 430070, PR China; Hubei Hongshan Laboratory, Wuhan 430070, Hubei, PR China.
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44
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Park M, Kim J, Hwang YW, Guillaume B. A thematic review on livestock manure treatment strategies focusing on thermochemical conversion. Environ Sci Pollut Res Int 2023; 30:111833-111849. [PMID: 37848787 DOI: 10.1007/s11356-023-30153-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/17/2023] [Accepted: 09/25/2023] [Indexed: 10/19/2023]
Abstract
Livestock manure (LSM) management is emerging as a challenge due to increasing livestock consumption. Owing to the decreased agricultural land area, it is necessary to ensure LSM utilization in non-agricultural fields. LSM can be a valuable resource if managed as a circulating resource. This study discusses research trends based on a literature review and classifies LSM treatments. The analysis of each treatment is presented according to research trends, and implications for the future LSM processing are discussed. "Biological treatment" accounted for the largest portion at 48%, "manure management," which suggests improvement in manure treatment through systematic thinking or LSM management practices, accounted for 16%, and "thermochemical conversion" accounted for 11%. In addition, "life cycle assessment (LCA) research," "solid-liquid separation approach," and "nutrient-recovery/losses" were derived. Studies on biological treatments are increasing. Although anaerobic digestion (AD) is the most used method, it has the disadvantages of long processing time and waste generation after processing. As a key supplement, thermochemical conversion (TCC) technology, which could overcome the disadvantages of AD, was reviewed.
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Affiliation(s)
- Misook Park
- Program in Circular Economy Environmental System, Inha University, 100 Inha-ro, Michuhol-gu, Incheon, South Korea
- National Institute of Green Technology, 60 Yeouinaru-ro, Yeongdeungpo-gu, Seoul, South Korea
| | - Junbeum Kim
- CREIDD Research Center on Environmental Studies & Sustainability, UR InSyTE (Interdisciplinary research on Society-Technology-Environment Interactions), University of Technology of Troyes, Troyes, France
| | - Yong Woo Hwang
- Department of Environmental Engineering, Inha University, 100 Inha-ro, Michuhol-gu, Incheon, South Korea.
| | - Bertrand Guillaume
- CREIDD Research Center on Environmental Studies & Sustainability, UR InSyTE (Interdisciplinary research on Society-Technology-Environment Interactions), University of Technology of Troyes, Troyes, France
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45
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Tang Q, Sui Q, Wei Y, Shen P, Zhang J. Swine-manure composts induce the enrichment of antibiotic-resistant bacteria but not antibiotic resistance genes in soils. J Environ Manage 2023; 345:118707. [PMID: 37536132 DOI: 10.1016/j.jenvman.2023.118707] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/07/2023] [Revised: 07/09/2023] [Accepted: 07/26/2023] [Indexed: 08/05/2023]
Abstract
Composting is a common and effective strategy for reducing antibiotic resistance genes (ARGs) and antibiotic-resistant bacteria (ARB) from animal manure. However, it is unclear whether the advantages of composting for the control of ARGs and ARB can be further increased in land application. This study investigated the fate of ARB and ARGs after land application of swine-manure composts (SMCs) to three different soil types (red soil, loess and black soil). The results showed that although the SMCs caused an increase in the abundance of total ARGs in the soil in the short period, they significantly reduced (p < 0.01) the abundance of total ARGs after 82 days compared to the control. The decay rate of ARGs reflected by the half-life times (t1/2) varied by soil type, with red soil being the longest. The SMCs mainly introduced ermF, tetG and tetX into the soils, while these ARGs quickly declined to the control level. Notably, SMCs increased the number of ARB in the soils, especially for cefotaxime-resistant bacteria. Although SMCs only affected the microbiome significantly during the early stage (p < 0.05), it took a much longer time for the microbiome to recover compared to the control. Statistical analysis indicated that changes in the microbial community contributed more to the fate of ARGs during SMCs land application than other factors. Overall, it is proposed that the advantages of ARGs control in the composting process for swine manure can be further increased in land application, but it can still bring some risks in regard to ARB.
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Affiliation(s)
- Qihe Tang
- State Key Joint Laboratory of Environmental Simulation and Pollution Control, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing, 100085, China; Department of Water Pollution Control Technology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing, 100085, China; College of Life Science and Technology, Guangxi University, Nanning, 530005, China
| | - Qianwen Sui
- State Key Joint Laboratory of Environmental Simulation and Pollution Control, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing, 100085, China; Department of Water Pollution Control Technology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing, 100085, China; University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Yuansong Wei
- State Key Joint Laboratory of Environmental Simulation and Pollution Control, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing, 100085, China; Department of Water Pollution Control Technology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing, 100085, China; University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Peihong Shen
- College of Life Science and Technology, Guangxi University, Nanning, 530005, China
| | - Junya Zhang
- State Key Joint Laboratory of Environmental Simulation and Pollution Control, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing, 100085, China; Department of Water Pollution Control Technology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing, 100085, China; University of Chinese Academy of Sciences, Beijing, 100049, China.
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46
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Schrade S, Zeyer K, Mohn J, Zähner M. Effect of diets with different crude protein levels on ammonia and greenhouse gas emissions from a naturally ventilated dairy housing. Sci Total Environ 2023; 896:165027. [PMID: 37355138 DOI: 10.1016/j.scitotenv.2023.165027] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/24/2023] [Revised: 06/16/2023] [Accepted: 06/18/2023] [Indexed: 06/26/2023]
Abstract
Less crude protein (CP) in the diet can reduce nitrogen excretion of dairy cattle and lower their ammonia (NH3) and nitrous oxide (N2O) formation potential. The diet composition might also affect emissions of methane (CH4) and carbon dioxide (CO2). However, previous studies did not investigate the effect of diets with different CP levels that are customary practice in Switzerland on NH3 and greenhouse gas emissions on a practical scale. In a case-control approach, we quantified the emissions (NH3, N2O, CH4, CO2) in two separate but identical compartments of a naturally ventilated cubicle housing for lactating dairy cows over six days by using a tracer ratio method. Cows in one compartment received a diet with 116 g CP per kilogram dry matter (DM), in the other compartment with 166 g CP kg-1 DM. Subsequently, diets were switched for a second 6-day measurement phase. The results showed that the diet, aside from outside temperature and wind speed in the housing, was driving NH3 and N2O emissions. NH3 and N2O emission reduction per livestock unit (LU) was on average 46 % and almost 20 %, respectively, for the diet with low CP level compared to the higher CP level. In addition, strong relationships were observed between the CP content of the diet, N excretion in the urine and the milk urea content. An increased temperature or wind speed led to a clear increase in NH3 emissions. Differences in CH4 and CO2 emissions per LU indicated a significant influence of the diet, which cannot be attributed to the CP content. Our herd-level study demonstrated that a significant reduction in NH3 and N2O emissions related to LU, energy-corrected milk as well as DM intake can be achieved by lowering the CP content in the diet.
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Affiliation(s)
- Sabine Schrade
- Agroscope, Ruminant Nutrition and Emissions Research Group, 8356 Ettenhausen, Switzerland.
| | - Kerstin Zeyer
- Empa, Laboratory for Air Pollution / Environmental Technology, 8600 Dübendorf, Switzerland
| | - Joachim Mohn
- Empa, Laboratory for Air Pollution / Environmental Technology, 8600 Dübendorf, Switzerland
| | - Michael Zähner
- Agroscope, Ruminant Nutrition and Emissions Research Group, 8356 Ettenhausen, Switzerland
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47
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Odinga ES, Chen X, Mbao EO, Waigi MG, Gudda FO, Zhou X, Ling W, Czech B, Oleszczuk P, Abdalmegeed D, Gao Y. Estrogens and xenoestrogen residues in manure-based fertilizers and their potential ecological risks. J Environ Manage 2023; 344:118609. [PMID: 37473553 DOI: 10.1016/j.jenvman.2023.118609] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/29/2023] [Revised: 06/21/2023] [Accepted: 07/08/2023] [Indexed: 07/22/2023]
Abstract
Optimal manure treatment aimed at usage as agricultural soil fertilizers is a prerequisite ecological pollution control strategy. In this work, livestock manure-based fertilizers were collected from 71 animal farms across 14 provinces in China. The contamination levels and potential ecotoxicological risks of residual steroid estrogens (SEs): estrone (E1), estriol (E3), 17α-estradiol (17α-E2), 17β-estradiol (17β-E2) and xenoestrogen (XE) bisphenol A (BPA), were investigated. The results showed that the occurrence frequencies for SEs and XE ranged from 66.67% to 100%, and the mean concentration varied considerably across the study locations. The total content of SEs and XE in Hebei province was the highest, and swine manure-based fertilizers concentrations were higher than the levels reported in other animal fertilizers. Compared with farm level manure, manure-based fertilizers are processed by composting, and the micropollutants quantities are significantly reduced (mean: 87.65 - 534.02 μg/kg). The total estradiol equivalent quantity (EEQ) that might migrate to the soil was estimated to be 1.23 μg/kg. Based on the estimated application rate of manure, 38% of the fertilizers risk quotients exceeded 0.1, indicating medium to high risks pressure on terrestrial organisms. Nonetheless, the estrogenic risk was lower in manure-based fertilizers than in manure. This study highlights the significance of proper treatment of livestock manure and designing an optimal manure fertilization strategy to mitigate the risks posed by SEs and XEs to the agroecosystems.
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Affiliation(s)
- Emmanuel Stephen Odinga
- Institute of Organic Contaminant Control and Soil Remediation, College of Resources and Environmental Sciences, Nanjing Agricultural University, Nanjing, 210095, China
| | - Xuwen Chen
- Institute of Organic Contaminant Control and Soil Remediation, College of Resources and Environmental Sciences, Nanjing Agricultural University, Nanjing, 210095, China
| | - Evance Omondi Mbao
- Department of Geosciences and the Environment, The Technical University of Kenya, PO Box 52428-00200, Nairobi, Kenya
| | - Michael Gatheru Waigi
- Institute of Organic Contaminant Control and Soil Remediation, College of Resources and Environmental Sciences, Nanjing Agricultural University, Nanjing, 210095, China
| | - Fredrick Owino Gudda
- Institute of Organic Contaminant Control and Soil Remediation, College of Resources and Environmental Sciences, Nanjing Agricultural University, Nanjing, 210095, China
| | - Xian Zhou
- Institute of Organic Contaminant Control and Soil Remediation, College of Resources and Environmental Sciences, Nanjing Agricultural University, Nanjing, 210095, China
| | - Wanting Ling
- Institute of Organic Contaminant Control and Soil Remediation, College of Resources and Environmental Sciences, Nanjing Agricultural University, Nanjing, 210095, China
| | - Bożena Czech
- Department of Radiochemistry and Environmental Chemistry, Institute of Chemical Sciences, Faculty of Chemistry, Maria Curie-Skłodowska University, Pl. M. Curie-Skłodowskiej 3/541 20-031, Lublin, Poland
| | - Patryk Oleszczuk
- Department of Radiochemistry and Environmental Chemistry, Institute of Chemical Sciences, Faculty of Chemistry, Maria Curie-Skłodowska University, Pl. M. Curie-Skłodowskiej 3/541 20-031, Lublin, Poland
| | - Dyaaaldin Abdalmegeed
- Department of Botany and Microbiology, Faculty of Science, Tanta University, Tanta, Egypt
| | - Yanzheng Gao
- Institute of Organic Contaminant Control and Soil Remediation, College of Resources and Environmental Sciences, Nanjing Agricultural University, Nanjing, 210095, China.
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48
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Xie XF, Xu ZQ, Tian ZY, Bu XG, Xu F, Liang J, Pu LJ. [Effects of Supplementation of Different Amendments on Soil Heavy Metals and Enzyme Activities in Coastal Saline Land]. Huan Jing Ke Xue 2023; 44:5649-5656. [PMID: 37827781 DOI: 10.13227/j.hjkx.202211164] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 10/14/2023]
Abstract
The supplementation of soil amendments may not only improve the soil physical and chemical properties but also lead to the accumulation of heavy metals in soil. This experiment included six treatments:control (CK), organic manure (OM), polyacrylamide+organic manure (PAM+OM), straw mulching+organic manure (SM+OM), buried straw+organic manure (BS+OM), and bio-organic manure+organic manure (BM+OM) to explore the effects of different soil amendments on heavy metals and soil enzyme activities in coastal saline land and the relationship between them. The results revealed that compared with that in the CK treatment, the contents of soil Cr, Cu, Ni, and Pb exhibited an upward trend after the supplementation of soil amendments, among which the SM+OM and PAM+OM treatments had the most significant effects on the contents of soil Cr and Cu, respectively, whereas the BM+OM treatment had the most significant effects on the contents of soil Ni and Pb. Compared with those in the CK treatment, the activities of soil invertase and urease increased significantly following supplementation of soil amendments, and the BM+OM treatment had the best effect. The alkaline phosphatase activity exhibited a slightly upward trend after the supplementation of soil amendments, whereas the catalase activity did not change significantly. The redundancy analysis revealed that the first two axes cumulatively accounted for 70.3% of the variability in enzyme activities, and the importance of single soil heavy metals on soil enzyme activity was as follows:Ni>Cu>Cr>Pb.
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Affiliation(s)
- Xue-Feng Xie
- College of Geography and Environmental Sciences, Zhejiang Normal University, Jinhua 321004, China
- Key Laboratory of the Coastal Zone Exploitation and Protection of Ministry of Natural Resources, Nanjing 210023, China
| | - Zi-Qing Xu
- College of Geography and Environmental Sciences, Zhejiang Normal University, Jinhua 321004, China
| | - Zai-Yang Tian
- College of Geography and Environmental Sciences, Zhejiang Normal University, Jinhua 321004, China
| | - Xin-Guo Bu
- Key Laboratory of the Coastal Zone Exploitation and Protection of Ministry of Natural Resources, Nanjing 210023, China
- Jiangsu Provincial Land Survey and Planning Institute, Nanjing 210017, China
| | - Fei Xu
- Institute of Land and Urban-Rural Development, Zhejiang University of Finance & Economics, Hangzhou 310018, China
| | - Jing Liang
- Shanghai Academy of Landscape Architecture Science and Planning, Shanghai 200232, China
| | - Li-Jie Pu
- School of Environmental Engineering, Nanjing Institute of Technology, Nanjing 211167, China
- School of Geography and Ocean Science, Nanjing University, Nanjing 210023, China
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49
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Pan Z, Chen Z, Zhu L, Avellán-Llaguno RD, Liu B, Huang Q. Antibiotic resistome and associated bacterial communities in agricultural soil following the amendments of swine manure-derived fermentation bed waste. Environ Sci Pollut Res Int 2023; 30:104520-104531. [PMID: 37704808 DOI: 10.1007/s11356-023-29691-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/07/2023] [Accepted: 08/30/2023] [Indexed: 09/15/2023]
Abstract
The practice of utilizing animal manures on land is widespread in agriculture, but it has raised concerns about the possible spread of antibiotic resistance genes (ARGs) and the potential risk it poses to public health through food production. Fermentation bed culture is an effective circular agricultural practice commonly utilized in pig farming that minimizes the environmental impact of livestock farming. However, this method generates a significant amount of fermentation bed waste (FBW), which can be turned into organic fertilizer for land application. The objective of this research was to examine the impacts of amending agricultural soil samples with swine manure-derived FBW on microbial communities, mobile genetic elements (MGEs), and ARG profiles over different periods. The study findings indicated that the amendment of swine manure-derived FBW significantly increased the diversity and abundance of ARGs and MGEs during the early stages of amendment, but this effect diminished over time, and after 12 months of FBW amendments, the levels returned to those comparable to control samples. The shift in the bacterial communities played a significant role in shaping the patterns of ARGs. Actinobacteriota, Proteobacteria, and Bacteroidetes were identified as the primary potential hosts of ARGs through metagenomic binning analysis. Furthermore, the pH of soil samples was identified as the most important property in driving the composition of the bacterial community and soil resistome. These findings provided valuable insights into the temporal patterns and dissemination risks of ARGs in FBW-amended agriculture soil, which could contribute to the development of effective strategies to manage the dissemination risks of FBW-derived ARGs.
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Affiliation(s)
- Zhizhen Pan
- Agrobiological Resource Research Institute, Fujian Academy of Agriculture Sciences, Fuzhou, 350003, China
- Key Lab of Urban Environment and Health, Institute of Urban Environment, Chinese Academy of Sciences, Xiamen, 361021, China
| | - Zheng Chen
- Agrobiological Resource Research Institute, Fujian Academy of Agriculture Sciences, Fuzhou, 350003, China
| | - Liting Zhu
- Key Lab of Urban Environment and Health, Institute of Urban Environment, Chinese Academy of Sciences, Xiamen, 361021, China
| | - Ricardo David Avellán-Llaguno
- Key Lab of Urban Environment and Health, Institute of Urban Environment, Chinese Academy of Sciences, Xiamen, 361021, China
| | - Bo Liu
- Agrobiological Resource Research Institute, Fujian Academy of Agriculture Sciences, Fuzhou, 350003, China
| | - Qiansheng Huang
- Key Lab of Urban Environment and Health, Institute of Urban Environment, Chinese Academy of Sciences, Xiamen, 361021, China.
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50
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Zhang H, Zhao Z, Guan W, Zhong Y, Wang Y, Zhou Q, Liu F, Luo Q, Liu J, Ni J, He N, Guo D, Li L, Xing Q. Nano-Selenium inhibited antibiotic resistance genes and virulence factors by suppressing bacterial selenocompound metabolism and chemotaxis pathways in animal manure. Ecotoxicol Environ Saf 2023; 263:115277. [PMID: 37499390 DOI: 10.1016/j.ecoenv.2023.115277] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/17/2023] [Revised: 07/10/2023] [Accepted: 07/17/2023] [Indexed: 07/29/2023]
Abstract
Numerous antibiotic resistance genes (ARGs) and virulence factors (VFs) found in animal manure pose significant risks to human health. However, the effects of graphene sodium selenite (GSSe), a novel chemical nano-Selenium, and biological nano-Selenium (BNSSe), a new bioaugmentation nano-Se, on bacterial Se metabolism, chemotaxis, ARGs, and VFs in animal manure remain unknown. In this study, we investigated the effects of GSSe and BNSSe on ARGs and VFs expression in broiler manure using high-throughput sequencing. Results showed that BNSSe reduced Se pressure during anaerobic fermentation by inhibiting bacterial selenocompound metabolism pathways, thereby lowering manure Selenium pollution. Additionally, the expression levels of ARGs and VFs were lower in the BNSSe group compared to the Sodium Selenite and GSSe groups, as BNSSe inhibited bacterial chemotaxis pathways. Co-occurrence network analysis identified ARGs and VFs within the following phyla Bacteroidetes (genera Butyricimonas, Odoribacter, Paraprevotella, and Rikenella), Firmicutes (genera Lactobacillus, Candidatus_Borkfalkia, Merdimonas, Oscillibacter, Intestinimonas, and Megamonas), and Proteobacteria (genera Desulfovibrio). The expression and abundance of ARGs and VFs genes were found to be associated with ARGs-VFs coexistence. Moreover, BNSSe disruption of bacterial selenocompound metabolism and chemotaxis pathways resulted in less frequent transfer of ARGs and VFs. These findings indicate that BNSSe can reduce ARGs and VFs expression in animal manure by suppressing bacterial selenocompound metabolism and chemotaxis pathways.
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Affiliation(s)
- Haibo Zhang
- College of Life Science and Resources and Environment, Yichun University, Yi Chun 336000, China
| | - Zhigang Zhao
- College of Life Science and Resources and Environment, Yichun University, Yi Chun 336000, China
| | - Weikun Guan
- College of Life Science and Resources and Environment, Yichun University, Yi Chun 336000, China
| | - Yuhong Zhong
- College of Life Science and Resources and Environment, Yichun University, Yi Chun 336000, China
| | - Yang Wang
- College of Life Science and Resources and Environment, Yichun University, Yi Chun 336000, China
| | - Qilong Zhou
- College of Life Science and Resources and Environment, Yichun University, Yi Chun 336000, China
| | - Fuyu Liu
- College of Life Science and Resources and Environment, Yichun University, Yi Chun 336000, China
| | - Qi Luo
- College of Life Science and Resources and Environment, Yichun University, Yi Chun 336000, China
| | - Junyi Liu
- College of Life Science and Resources and Environment, Yichun University, Yi Chun 336000, China
| | - Jian Ni
- College of Life Science and Resources and Environment, Yichun University, Yi Chun 336000, China
| | - Ning He
- College of Life Science and Resources and Environment, Yichun University, Yi Chun 336000, China
| | - Dongsheng Guo
- College of Life Science and Resources and Environment, Yichun University, Yi Chun 336000, China
| | - Lizhi Li
- College of Life Science and Resources and Environment, Yichun University, Yi Chun 336000, China.
| | - Qingfeng Xing
- College of Life Science and Resources and Environment, Yichun University, Yi Chun 336000, China.
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