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Qi JQ, Yuan HY, Zhuang QL, Zama EF, Tian XF, Tao BX, Zhang BH. Effect of different types of biochar on soil properties and functional microbial communities in rhizosphere and bulk soils and their relationship with CH 4 and N 2O emissions. Front Microbiol 2023; 14:1292959. [PMID: 38029118 PMCID: PMC10656817 DOI: 10.3389/fmicb.2023.1292959] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2023] [Accepted: 10/23/2023] [Indexed: 12/01/2023] Open
Abstract
Biochar as an agricultural soil amendment plays vital roles in mediating methane (CH4) and nitrous oxide (N2O) emissions in soils. The link between different types of biochar, bulk soil, and rhizosphere microbial communities in relation to CH4 and N2O emissions is being investigated in this study. The rice pot experiment was conducted using biochar at two temperatures (300°C and 500°C) in combination with three biochar levels (0, 2, 10% w/w). Soil properties and the abundance of genes associated with CH4 and N2O emissions from both rhizosphere and bulk soils were investigated. The study also aimed to examine the structure of microbial communities (pmoA, nosZ) in rhizosphere and bulk soils whereas CH4 and N2O emissions were monitored while growing rice. Results showed that biochar at 300°C and 10% incorporation significantly increased the CH4 emissions by up to 59% rise compared to the control group. Random Forest analysis revealed that the ratio of mcrA/pmoA along with the abundance of mcrA from both rhizosphere and bulk soils, the abundance of AOA, TN, DOC, and the community composition of pmoA-harboring microorganisms from both bulk and rhizosphere soils were important predictors of CH4 emissions. Therefore, the ratio of mcrA/pmoA in rhizosphere soil and the abundance of AOA in bulk soil were the main factors influencing CH4 emissions. Variation Partitioning Analysis (VPA) results indicated that the effects of these factors on bulk soil were 9% of CH4 emissions variations in different treatments, which contributed more than rhizosphere soils' factors. Moreover, random forest analysis results indicated that the abundance of AOB in bulk soil was the most important predictor influencing N2O emissions. The VPA result revealed that the factors in rhizosphere soil could explain more than 28% of the variations in N2O emissions. Our study highlights that rhizosphere soil has a more significant effect than bulk soil on N2O production. Our findings further the understanding of the link between bulk and rhizosphere attributes, and their impact on CH4 and N2O emissions in paddy soils. In summary, we recommend the application of biochar at 500°C and 2% incorporation rate for agricultural production in the area.
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Affiliation(s)
- Jian-Qing Qi
- School of Geography and Environment, Liaocheng University, Liaocheng, China
| | - Hai-Yan Yuan
- School of Geography and Environment, Liaocheng University, Liaocheng, China
| | - Qi-Lu Zhuang
- School of Geography and Environment, Liaocheng University, Liaocheng, China
| | - Eric-Fru Zama
- Department of Agricultural and Environmental Engineering, College of Technology, University of Bamenda, Bambili, Cameroon
| | - Xiao-Fei Tian
- School of Geography and Environment, Liaocheng University, Liaocheng, China
| | - Bao-Xian Tao
- School of Geography and Environment, Liaocheng University, Liaocheng, China
| | - Bao-Hua Zhang
- School of Geography and Environment, Liaocheng University, Liaocheng, China
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Zhao Y, Zhang A, Zhu X, Han J, Li P, Shen X, Huang S, Jin X, Chen S, Chen J, Liu J, Liu H, Hussain Q, Chen D. Comparative biotic and abiotic effects on greenhouse gas emissions from agricultural ecosystems: application of straw or biochar? ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:112307-112320. [PMID: 37831243 DOI: 10.1007/s11356-023-30099-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/01/2023] [Accepted: 09/22/2023] [Indexed: 10/14/2023]
Abstract
Farmland has become a significant contributor to greenhouse gas (GHG) emissions, and research has shown that the addition of straw or biochar may be a viable method for mitigating these emissions. However, there is a lack of understanding regarding the comparative biotic and abiotic effects of straw and biochar amendments on GHG emissions. To address this knowledge gap, we conducted a meta-analysis of 100 published papers to quantify the impact of straw and biochar application on GHG emissions. Our findings indicate that straw application significantly increased CO2 and CH4 emissions from agricultural ecosystems by 46.2% and 113.5%, respectively, but did not have a significant effect on N2O emissions. Conversely, biochar amendment significantly reduced CO2, CH4, and N2O emissions by an average of 11.0%, 31.7%, and 22.8%, respectively. We also found that straw and biochar amendments increased soil pH, soil organic carbon (SOC), and C/N ratio, and there were significant differences between them. Moreover, straw application significantly increased the microbial biomass carbon (MBC) content and microbial quotient by 37.1% and 20.1%, respectively, while biochar application increased the MBC content by 25.0% without a significant effect on the microbial quotient. Furthermore, both straw and biochar applications promoted the nitrification process and increased the abundance of ammonia-oxidizing bacteria (AOB) by 50.7% with straw and by 57.5% and 75.1% with biochar for ammonia-oxidizing archaea (AOA) and AOB, respectively. The denitrification process was also stimulated by straw or biochar amendment, resulting in an increase in the abundance of nirK by 22.9% and 16.8%, respectively. Biochar amendment additionally increased the abundance of nosZ by 29.4%, indicating that the main reason for reducing N2O emissions through biochar application is the conversion of NO3--N to N2. Thus, compared to straw application, biochar application is a more effective method for reducing greenhouse gas emissions.
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Affiliation(s)
- Yikai Zhao
- College of Natural Resources and Environment, Northwest A&F University, Yangling, Shaanxi, 712100, People's Republic of China
- Ministry of Agriculture, Key Laboratory of Plant Nutrition and the Agro-Environment in Northwest China, Yangling, Shaanxi, 712100, People's Republic of China
| | - Afeng Zhang
- College of Natural Resources and Environment, Northwest A&F University, Yangling, Shaanxi, 712100, People's Republic of China.
- Ministry of Agriculture, Key Laboratory of Plant Nutrition and the Agro-Environment in Northwest China, Yangling, Shaanxi, 712100, People's Republic of China.
| | - Xinyu Zhu
- College of Natural Resources and Environment, Northwest A&F University, Yangling, Shaanxi, 712100, People's Republic of China
- Ministry of Agriculture, Key Laboratory of Plant Nutrition and the Agro-Environment in Northwest China, Yangling, Shaanxi, 712100, People's Republic of China
| | - Jiale Han
- College of Natural Resources and Environment, Northwest A&F University, Yangling, Shaanxi, 712100, People's Republic of China
- Ministry of Agriculture, Key Laboratory of Plant Nutrition and the Agro-Environment in Northwest China, Yangling, Shaanxi, 712100, People's Republic of China
| | - Pengfei Li
- College of Natural Resources and Environment, Northwest A&F University, Yangling, Shaanxi, 712100, People's Republic of China
- Ministry of Agriculture, Key Laboratory of Plant Nutrition and the Agro-Environment in Northwest China, Yangling, Shaanxi, 712100, People's Republic of China
| | - Xiaogang Shen
- College of Natural Resources and Environment, Northwest A&F University, Yangling, Shaanxi, 712100, People's Republic of China
- Ministry of Agriculture, Key Laboratory of Plant Nutrition and the Agro-Environment in Northwest China, Yangling, Shaanxi, 712100, People's Republic of China
| | - Shiwei Huang
- College of Natural Resources and Environment, Northwest A&F University, Yangling, Shaanxi, 712100, People's Republic of China
- Ministry of Agriculture, Key Laboratory of Plant Nutrition and the Agro-Environment in Northwest China, Yangling, Shaanxi, 712100, People's Republic of China
| | - Xiangle Jin
- College of Natural Resources and Environment, Northwest A&F University, Yangling, Shaanxi, 712100, People's Republic of China
- Ministry of Agriculture, Key Laboratory of Plant Nutrition and the Agro-Environment in Northwest China, Yangling, Shaanxi, 712100, People's Republic of China
| | - Shao Chen
- College of Natural Resources and Environment, Northwest A&F University, Yangling, Shaanxi, 712100, People's Republic of China
- Ministry of Agriculture, Key Laboratory of Plant Nutrition and the Agro-Environment in Northwest China, Yangling, Shaanxi, 712100, People's Republic of China
| | - Jiayong Chen
- College of Natural Resources and Environment, Northwest A&F University, Yangling, Shaanxi, 712100, People's Republic of China
- Ministry of Agriculture, Key Laboratory of Plant Nutrition and the Agro-Environment in Northwest China, Yangling, Shaanxi, 712100, People's Republic of China
| | - Jiaojiao Liu
- College of Natural Resources and Environment, Northwest A&F University, Yangling, Shaanxi, 712100, People's Republic of China
- Ministry of Agriculture, Key Laboratory of Plant Nutrition and the Agro-Environment in Northwest China, Yangling, Shaanxi, 712100, People's Republic of China
| | - Helei Liu
- College of Natural Resources and Environment, Northwest A&F University, Yangling, Shaanxi, 712100, People's Republic of China
- Ministry of Agriculture, Key Laboratory of Plant Nutrition and the Agro-Environment in Northwest China, Yangling, Shaanxi, 712100, People's Republic of China
| | - Qaiser Hussain
- Institute of Soil and Environmental Sciences, Pir Mehr Ali Shah Arid Agriculture University, P.O BOX. 46300, Rawalpindi, Pakistan
| | - De Chen
- Institute of Agro-Product Safety and Nutrition, Zhejiang Academy of Agricultural Sciences, Hangzhou, 310021, Zhejiang, China
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Wu Z, Zhang F, Ding W, Wang K, Peng J, Cao N, He C. Native forests transformed into cash crops reduced soil multi-functionality by modifying the microbial community composition and keystone species' abundance in the Jianghuai Hilly Region. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:113747-113757. [PMID: 37851254 DOI: 10.1007/s11356-023-30196-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/22/2023] [Accepted: 09/27/2023] [Indexed: 10/19/2023]
Abstract
Conversion of native forest to cash crops is the predominant form of land use change in the Jianghuai Hilly Region. However, how plantations with different cash crops affect the soil multi-functionality is not well documented. In this study, we collected three kinds of cash crops soils (vegetable, orchard, and tea) and forest soil, to systematically review the relationship between soil microbial communities and soil multi-functionality. Soil multi-functionality had decreased in vegetable and orchard as compared to native forest, whereas tea plantation had no significant effects on soil multi-functionality. The results also showed that cash crop plantations decreased soil multi-functionality by shifting keystone species' abundance, for forest, vegetable, and orchard, the keystone species that were classified as module hubs in the bacterial co-occurrence network significantly negatively contributed to soil multi-functionality, but the keystone species categorized as module hubs in fungal co-occurrence network positively affected soil multi-functionality. Multiple soil properties were the drivers of the soil microbial community; thus, indicating that the altered soil properties under cash crop plantations were vital in determining microbial composition and biological processes. These results identified that sustainable management strategy in cash crop plantation needed to be developed for improving soil multi-functionality.
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Affiliation(s)
- Zhen Wu
- School of Geographic Information and Tourism, Chuzhou University, Chuzhou, 239000, China
| | - Futian Zhang
- School of Geographic Information and Tourism, Chuzhou University, Chuzhou, 239000, China
| | - Wen Ding
- School of Geographic Information and Tourism, Chuzhou University, Chuzhou, 239000, China
| | - Kai Wang
- School of Geographic Information and Tourism, Chuzhou University, Chuzhou, 239000, China
| | - Jun Peng
- School of Geographic Information and Tourism, Chuzhou University, Chuzhou, 239000, China
| | - Ni Cao
- Hunan University of Humanities, Science and Technology, Loudi, 417000, China
| | - Chenggang He
- College of Tobacco Science, Yunnan Agricultural University, Kunming, 650000, China.
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Kan ZR, Wang Z, Chen W, Virk AL, Li FM, Liu J, Xue Y, Yang H. Soil organic carbon regulates CH 4 production through methanogenic evenness and available phosphorus under different straw managements. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2023; 328:116990. [PMID: 36508980 DOI: 10.1016/j.jenvman.2022.116990] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/14/2022] [Revised: 11/20/2022] [Accepted: 12/05/2022] [Indexed: 06/17/2023]
Abstract
Methane (CH4) is the main greenhouse gas emitted from rice paddy fields driven by methanogens, for which methanogenic abundance on CH4 production has been intensively investigated. However, information is limited about the relationship between methanogenic diversity (e.g., richness and evenness) and CH4 production. Three independent field experiments with different straw managements including returning method, burial depth, and burial amount were used to identify the effects of methanogenic diversity on CH4 production, and its regulating factors from soil properties in a rice-wheat cropping system. The results showed that methanogenic evenness (dominance) can explain 23% of variations in CH4 production potential. CH4 production potential was positively related to methanogenic evenness (R2 = 0.310, p < 0.001), which is driven by soil organic carbon (SOC), available phosphorus (AP), and nitrate (NO3-) through structure equation model (SEM). These findings indicate that methanogenic evenness has a critical role in evaluating the responses of CH4 production to agricultural practices following changes in soil properties. The SEM also revealed that SOC concentration influenced CH4 production potential indirectly via complementarity of methanogenic evenness (dominance) and available phosphorus (AP). Increasing SOC accumulation improved AP release and stimulated CH4 production when SOC was at a low level, whereas decreased evenness and suppressed CH4 production when SOC was at a high level. A nonlinear relationship was detected between SOC and CH4 production potential, and CH4 production potential decreased when SOC was ≥14.16 g kg-1. Our results indicated that the higher SOC sequestration can not only mitigate CO2 emissions directly but CH4 emissions indirectly, highlighting the importance to enhance SOC sequestration using optimum agricultural practices in a rice-wheat cropping system.
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Affiliation(s)
- Zheng-Rong Kan
- College of Agriculture, Nanjing Agricultural University, Nanjing 210095, PR China
| | - Zirui Wang
- College of Agriculture, Nanjing Agricultural University, Nanjing 210095, PR China
| | - Wei Chen
- College of Agriculture, Nanjing Agricultural University, Nanjing 210095, PR China
| | - Ahmad Latif Virk
- State Key Laboratory of Subtropical Silviculture, Zhejiang A&F University, Hangzhou, 311300, PR China
| | - Feng-Min Li
- College of Agriculture, Nanjing Agricultural University, Nanjing 210095, PR China
| | - Jian Liu
- Institute of Agricultural Sciences in Yanjiang District of Jiangsu Province, Rugao, 226500, PR China
| | - Yaguang Xue
- Institute of Agricultural Sciences in Yanjiang District of Jiangsu Province, Rugao, 226500, PR China.
| | - Haishui Yang
- College of Agriculture, Nanjing Agricultural University, Nanjing 210095, PR China; Jiangsu Key Laboratory for Information Agriculture, Nanjing Agricultural University, Nanjing 210095, PR China; Jiangsu Collaborative Innovation Center for Modern Crop Production, Nanjing Agricultural University, Nanjing 210095, PR China.
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5
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Yuan ZF, Zhou YJ, Zou L, Chen Z, Gustave W, Duan D, Kappler A, Tang X, Xu J. pH dependence of arsenic speciation in paddy soils: The role of distinct methanotrophs. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2023; 318:120880. [PMID: 36528201 DOI: 10.1016/j.envpol.2022.120880] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/06/2022] [Revised: 11/30/2022] [Accepted: 12/13/2022] [Indexed: 06/17/2023]
Abstract
Arsenic (As) is a priority environmental pollutant in paddy field. The coupling of arsenate (As(V)) reduction with anaerobic methane (CH4) oxidation was recently demonstrated in paddy soils and has been suggested to serve as a critical driver for As transformation and mobilization. However, whether As(V)-dependent CH4 oxidation is driven by distinct methanotrophs under different pH conditions remains unclear. Here, we investigated the response of As(V)-dependent CH4 oxidation to pH shifts (pH 5.5-8.0) by employing isotopically labelled CH4. Furthermore, the underlying mechanisms were also investigated in well-controlled anoxic soil suspension incubations. Our results showed that As(V)-dependent CH4 oxidation is highly sensitive to pH changes (1.6-6.8 times variation of arsenite formation). A short-term (0-10 d) pH shift from near-neutral pH to acidic conditions (i.e., pH 5.5, -85% arsenite formation) had an inhibitory effect on As(V)-dependent CH4 oxidation. However, prolonged acidic conditions (i.e., >15 d) had no significant influence on As(V)-dependent CH4 oxidation. The microbial analyses indicated that As reduction in paddies can be driven by anaerobic CH4 oxidation archaea (ANME) and methanotrophs. And, methanotrophs may serve as a critical driver for As(V)-dependent CH4 oxidation. Moreover, type I methanotrophs Methylobacter were more active in oxidizing CH4 than type II methanotrophs Methylocystis when the pH ≥ 6.5. However, Methylocystis had a higher tolerance to soil acidification than Methylobacter. This study illustrates that As(V)-dependent CH4 oxidation could be dominated by distinct methanotrophs along with pH shifts, which eventually enhances As release in paddy soils.
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Affiliation(s)
- Zhao-Feng Yuan
- Institute of Soil and Water Resources and Environmental Science, College of Environmental and Resource Sciences, Zhejiang University, Hangzhou, 310058, China
| | - Yu-Jie Zhou
- Institute of Soil and Water Resources and Environmental Science, College of Environmental and Resource Sciences, Zhejiang University, Hangzhou, 310058, China
| | - Lina Zou
- Institute of Soil and Water Resources and Environmental Science, College of Environmental and Resource Sciences, Zhejiang University, Hangzhou, 310058, China
| | - Zheng Chen
- Department of Health and Environmental Sciences, Xi'an Jiaotong-Liverpool University, Suzhou, 215123, China
| | - Williamson Gustave
- Chemistry, Environmental & Life Sciences, University of the Bahamas, New Providence, Nassau, Bahamas
| | - Dechao Duan
- Institute of Soil and Water Resources and Environmental Science, College of Environmental and Resource Sciences, Zhejiang University, Hangzhou, 310058, China
| | - Andreas Kappler
- Geomicrobiology, Center for Applied Geosciences, University of Tübingen, Tübingen, 72076, Germany
| | - Xianjin Tang
- Institute of Soil and Water Resources and Environmental Science, College of Environmental and Resource Sciences, Zhejiang University, Hangzhou, 310058, China.
| | - Jianming Xu
- Institute of Soil and Water Resources and Environmental Science, College of Environmental and Resource Sciences, Zhejiang University, Hangzhou, 310058, China
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Zhang J, Zhao S, Liu Y, Liang H, Wang T, Zhao Y, Zhao Q, Peng T. Differences in methane and nitrous oxide emissions and soil bacteria communities between straw return methods in central China. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:1167-1175. [PMID: 35915302 DOI: 10.1007/s11356-022-21883-7] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/10/2022] [Accepted: 07/02/2022] [Indexed: 06/15/2023]
Abstract
It is well recognized that straw return (SR) can improve soil fertility and soil organic carbon (SOC) storage. Increasing planting density and reducing nitrogen fertilizer application is considered an effective cultivation technique for japonica rice in central and northern China. However, few are known about the mechanisms of differences between wheat SR with rice planting densification and N reduction (SRD) and wheat SR on greenhouse gas emissions and soil bacteria communities in central China. A 2-year experiment was conducted to evaluate the effects of SR and SRD compared with straw removal (NS) on methane (CH4) and nitrous oxide (N2O) emission, rice yield, and soil properties in Henan Province, China, in 2019 and 2020. We found that SRD increased SOC, available phosphorous (AP), and available potassium (AK) compared to SR and NS in 2019 and 2020. The mean CH4 flux was positively correlated with SOC, and the cumulative CH4 emissions of SR and SRD plots were significantly higher than those of NS plots. No significant difference in cumulative CH4 emissions was detected between the SR and SRD treatments. N2O emissions were significantly lower under SRD than SR. SRD significantly affected soil bacteria diversity and composition at a depth of 0-15 cm. The relative abundance of Bacteroidota in SRD soil was 1.37- and 3.73-fold higher than that in NS and SR soils, respectively. The relative abundance of nitrate reduction-related operational taxonomic units enriched under SRD was significantly lower than that under SR, indicating that lower nitrate reduction of N2O production was induced by soil bacteria under SRD. N partial factor productivity was 21.4% and 28.5% higher under SRD than SR in 2019 and 2020, respectively. Our results suggest that SRD decreased soil bacteria N2O emissions; increased SOC, AP, and AK; and improved N fertilizer use efficiency, thereby improving rice yield in central China.
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Affiliation(s)
- Jing Zhang
- Collaborative Innovation Center of Henan Grain Crops, Henan Key Laboratory of Rice Biology, Henan Agricultural University, Zhengzhou, 450046, Henan, People's Republic of China
- College of Agronomy, Henan Agricultural University, Zhengzhou, 450046, Henan, People's Republic of China
| | - Shuaibing Zhao
- Collaborative Innovation Center of Henan Grain Crops, Henan Key Laboratory of Rice Biology, Henan Agricultural University, Zhengzhou, 450046, Henan, People's Republic of China
- College of Agronomy, Henan Agricultural University, Zhengzhou, 450046, Henan, People's Republic of China
| | - Ye Liu
- Collaborative Innovation Center of Henan Grain Crops, Henan Key Laboratory of Rice Biology, Henan Agricultural University, Zhengzhou, 450046, Henan, People's Republic of China
- College of Agronomy, Henan Agricultural University, Zhengzhou, 450046, Henan, People's Republic of China
| | - He Liang
- Collaborative Innovation Center of Henan Grain Crops, Henan Key Laboratory of Rice Biology, Henan Agricultural University, Zhengzhou, 450046, Henan, People's Republic of China
- College of Agronomy, Henan Agricultural University, Zhengzhou, 450046, Henan, People's Republic of China
| | - Tongtong Wang
- Collaborative Innovation Center of Henan Grain Crops, Henan Key Laboratory of Rice Biology, Henan Agricultural University, Zhengzhou, 450046, Henan, People's Republic of China
- College of Agronomy, Henan Agricultural University, Zhengzhou, 450046, Henan, People's Republic of China
| | - Yafan Zhao
- Collaborative Innovation Center of Henan Grain Crops, Henan Key Laboratory of Rice Biology, Henan Agricultural University, Zhengzhou, 450046, Henan, People's Republic of China
- College of Agronomy, Henan Agricultural University, Zhengzhou, 450046, Henan, People's Republic of China
| | - Quanzhi Zhao
- Collaborative Innovation Center of Henan Grain Crops, Henan Key Laboratory of Rice Biology, Henan Agricultural University, Zhengzhou, 450046, Henan, People's Republic of China
- College of Agronomy, Henan Agricultural University, Zhengzhou, 450046, Henan, People's Republic of China
| | - Ting Peng
- Collaborative Innovation Center of Henan Grain Crops, Henan Key Laboratory of Rice Biology, Henan Agricultural University, Zhengzhou, 450046, Henan, People's Republic of China.
- College of Agronomy, Henan Agricultural University, Zhengzhou, 450046, Henan, People's Republic of China.
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7
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Chu X, Bai N, Zheng X, Wang Q, Pan X, Li S, Zhang J, Zhang H, He W, Zhong F, Lv W, Zhang H. Effects of straw returning combined with earthworm addition on nitrification and ammonia oxidizers in paddy soil. Front Microbiol 2022; 13:1069554. [PMID: 36590424 PMCID: PMC9800607 DOI: 10.3389/fmicb.2022.1069554] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2022] [Accepted: 11/30/2022] [Indexed: 12/23/2022] Open
Abstract
Introduction Soil ammonia oxidation, which acts as the first and rate-limiting step of nitrification, is driven by ammonia-oxidizing bacteria (AOB), ammonia-oxidizing archaea (AOA) and complete ammonia oxidizer (comammox, amoA gene of clade-A and clade-B). Straw returning, widely used ecological technology in China, is an effective measure for promoting straw decomposition and soil nutrient cycling when combined with earthworm addition. However, the effects of straw returning combined with earthworm addition on soil ammonia oxidizers remain poorly understood. Methods A 2-year plot experiment was conducted with 5 treatments: no fertilizer (CK); regular fertilization (RT); straw returning (SR); earthworm addition (W); straw returning + earthworm addition (SRW). The AOA, AOB, comammox clade-A and clade-B community microbial diversities and structures were investigated by high-throughput sequencing. Results The results showed that (1) compared to RT treatment, W, SR, and SRW treatments all significantly increased the richness of AOA and comammox clade-A and clade-B (p < 0.05), and the richness of AOB was only significantly promoted by SRW treatment (p < 0.05). However, only SRW had a higher comammox clade-B diversity index than RT. (2) The ammonia oxidizer community structures were altered by both straw returning and earthworm addition. Soil NH4 +-N was the critical environmental driver for altering the ammonia oxidizer community structure. (3) Compared with RT treatment, the soil potential nitrification rate (PNR) of W and SRW treatments increased by 1.19 and 1.20 times, respectively. The PNR was significantly positively correlated with AOB abundance (path coefficient = 0.712, p < 0.05) and negatively correlated with clade-B abundance (path coefficient = -0.106, p < 0.05). Discussion This study provides scientific support for the application of straw returning combined with earthworm addition to improve soil nitrification with respect to soil ammonia-oxidizing microorganisms.
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Affiliation(s)
- Xiangqian Chu
- Shanghai Academy of Agricultural Sciences, Eco-environmental Protection Institute, Shanghai, China
- Shanghai Engineering Research Center of Plant Germplasm Resources, College of Life Sciences, Shanghai Normal University, Shanghai, China
| | - Naling Bai
- Shanghai Academy of Agricultural Sciences, Eco-environmental Protection Institute, Shanghai, China
- Shanghai Agricultural Academy of Sciences, Key Laboratory of Integrated Rice-Fish Farming Ecosystem, Ministry of Agriculture and Rural Affairs, Shanghai, China
| | - Xianqing Zheng
- Shanghai Academy of Agricultural Sciences, Eco-environmental Protection Institute, Shanghai, China
- Shanghai Agricultural Academy of Sciences, Key Laboratory of Integrated Rice-Fish Farming Ecosystem, Ministry of Agriculture and Rural Affairs, Shanghai, China
| | - Quanhua Wang
- Shanghai Engineering Research Center of Plant Germplasm Resources, College of Life Sciences, Shanghai Normal University, Shanghai, China
| | - Xi Pan
- Shanghai Engineering Research Center of Plant Germplasm Resources, College of Life Sciences, Shanghai Normal University, Shanghai, China
| | - Shuangxi Li
- Shanghai Academy of Agricultural Sciences, Eco-environmental Protection Institute, Shanghai, China
- Shanghai Agricultural Academy of Sciences, Key Laboratory of Integrated Rice-Fish Farming Ecosystem, Ministry of Agriculture and Rural Affairs, Shanghai, China
| | - Juanqin Zhang
- Shanghai Academy of Agricultural Sciences, Eco-environmental Protection Institute, Shanghai, China
- Shanghai Agricultural Academy of Sciences, Key Laboratory of Integrated Rice-Fish Farming Ecosystem, Ministry of Agriculture and Rural Affairs, Shanghai, China
| | - Haiyun Zhang
- Shanghai Academy of Agricultural Sciences, Eco-environmental Protection Institute, Shanghai, China
- Shanghai Agricultural Academy of Sciences, Key Laboratory of Integrated Rice-Fish Farming Ecosystem, Ministry of Agriculture and Rural Affairs, Shanghai, China
| | - Wenjie He
- Faculty of Resources and Environmental Science, Hubei University, Wuhan, China
| | - Feng Zhong
- Faculty of Resources and Environmental Science, Hubei University, Wuhan, China
| | - Weiguang Lv
- Shanghai Academy of Agricultural Sciences, Eco-environmental Protection Institute, Shanghai, China
- Shanghai Agricultural Academy of Sciences, Key Laboratory of Integrated Rice-Fish Farming Ecosystem, Ministry of Agriculture and Rural Affairs, Shanghai, China
| | - Hanlin Zhang
- Shanghai Academy of Agricultural Sciences, Eco-environmental Protection Institute, Shanghai, China
- Shanghai Engineering Research Center of Plant Germplasm Resources, College of Life Sciences, Shanghai Normal University, Shanghai, China
- Agricultural Environment and Farmland Conservation Experiment Station of Ministry Agriculture, Shanghai, China
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8
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Zucker F, Bischoff V, Olo Ndela E, Heyerhoff B, Poehlein A, Freese HM, Roux S, Simon M, Enault F, Moraru C. New Microviridae isolated from Sulfitobacter reveals two cosmopolitan subfamilies of single-stranded DNA phages infecting marine and terrestrial Alphaproteobacteria. Virus Evol 2022; 8:veac070. [PMID: 36533142 PMCID: PMC9753089 DOI: 10.1093/ve/veac070] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2022] [Revised: 05/24/2022] [Accepted: 07/28/2022] [Indexed: 10/01/2023] Open
Abstract
The Microviridae family represents one of the major clades of single-stranded DNA (ssDNA) phages. Their cultivated members are lytic and infect Proteobacteria, Bacteroidetes, and Chlamydiae. Prophages have been predicted in the genomes from Bacteroidales, Hyphomicrobiales, and Enterobacteriaceae and cluster within the 'Alpavirinae', 'Amoyvirinae', and Gokushovirinae. We have isolated 'Ascunsovirus oldenburgi' ICBM5, a novel phage distantly related to known Microviridae. It infects Sulfitobacter dubius SH24-1b and uses both a lytic and a carrier-state life strategy. Using ICBM5 proteins as a query, we uncovered in publicly available resources sixty-five new Microviridae prophages and episomes in bacterial genomes and retrieved forty-seven environmental viral genomes (EVGs) from various viromes. Genome clustering based on protein content and phylogenetic analysis showed that ICBM5, together with Rhizobium phages, new prophages, episomes, and EVGs cluster within two new phylogenetic clades, here tentatively assigned the rank of subfamily and named 'Tainavirinae' and 'Occultatumvirinae'. They both infect Rhodobacterales. Occultatumviruses also infect Hyphomicrobiales, including nitrogen-fixing endosymbionts from cosmopolitan legumes. A biogeographical assessment showed that tainaviruses and occultatumviruses are spread worldwide, in terrestrial and marine environments. The new phage isolated here sheds light onto new and diverse branches of the Microviridae tree, suggesting that much of the ssDNA phage diversity remains in the dark.
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Affiliation(s)
- Falk Zucker
- Institute for Chemistry and Biology of the Marine Environment, University of Oldenburg, Carl-von-Ossietzky-Str. 9−11, Oldenburg D-26111, Germany
| | - Vera Bischoff
- Institute for Chemistry and Biology of the Marine Environment, University of Oldenburg, Carl-von-Ossietzky-Str. 9−11, Oldenburg D-26111, Germany
| | - Eric Olo Ndela
- Laboratoire Microorganismes: Genome Environment (LMGE), Université Clermont Auvergne, CNRS, 1 Imp. Amélie Murat, Aubière 63170, Frankreich
| | - Benedikt Heyerhoff
- Institute for Chemistry and Biology of the Marine Environment, University of Oldenburg, Carl-von-Ossietzky-Str. 9−11, Oldenburg D-26111, Germany
| | - Anja Poehlein
- Department of Genomic and Applied Microbiology & Göttingen Genomics Laboratory, Georg-August-University Göttingen, Institute of Microbiology and Genetics, Grisebachstr. 8, Göttingen D-37077, Germany
| | - Heike M Freese
- Leibniz-Institut DSMZ, Deutsche Sammlung von Mikroorganismen und Zellkulturen GmbH, Inhoffenstraße 7 B, Braunschweig D-38124, Germany
| | - Simon Roux
- Lawrence Berkeley National Laboratory, DOE Joint Genome Institute, Berkeley, CA 94720, USA
| | - Meinhard Simon
- Institute for Chemistry and Biology of the Marine Environment, University of Oldenburg, Carl-von-Ossietzky-Str. 9−11, Oldenburg D-26111, Germany
| | - Francois Enault
- Laboratoire Microorganismes: Genome Environment (LMGE), Université Clermont Auvergne, CNRS, 1 Imp. Amélie Murat, Aubière 63170, Frankreich
| | - Cristina Moraru
- Institute for Chemistry and Biology of the Marine Environment, University of Oldenburg, Carl-von-Ossietzky-Str. 9−11, Oldenburg D-26111, Germany
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9
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Luo D, Li Y, Yao H, Chapman SJ. Effects of different carbon sources on methane production and the methanogenic communities in iron rich flooded paddy soil. THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 823:153636. [PMID: 35124061 DOI: 10.1016/j.scitotenv.2022.153636] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/26/2021] [Revised: 01/25/2022] [Accepted: 01/29/2022] [Indexed: 06/14/2023]
Abstract
Various carbon sources as substrates and electron donors can produce methane via different metabolic pathways. In particular, the methane produced by rice cultivation has a severe impact on climate change. However, how Fe3+, the most abundant oxide in paddy soil, mediates the methanogenesis of different carbon sources is unknown. In this study, we investigated the effect of four carbon sources with different chain lengths (acetate, glucose, nonanoate, and starch) on CH4 production and associated methanogens in iron-rich paddy soil over 90 days of anaerobic incubation. We found that glucose and starch were the more preferential substrates for liberating methane compared to acetate, and the rate was also faster. Nonanoate was unable to support methane production. Methanosarcinales and Methanobacteriales were the most predominant methanogenic archaea as shown by 16S rRNA gene sequencing, though their abundance changed over time. Additionally, a significantly higher content of iron-reducing bacteria was observed in the glucose and starch treatments, and it was significantly positively correlated with the copy number of the methanogenic mcrA gene. Together, we confirmed the methanogenic capacity of different carbon sources and their related microorganisms. We also showed that iron oxides play a central role in regulating methane emissions from paddy soils and need more attention to be paid to them.
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Affiliation(s)
- Dan Luo
- Key Laboratory of Urban Environment and Health, Institute of Urban Environment, Chinese Academy of Sciences, Xiamen 361021, People's Republic of China; Zhejiang Key Laboratory of Urban Environmental Processes and Pollution Control, Ningbo Urban Environment Observation and Research Station-NUEORS, Institute of Urban Environment, Chinese Academy of Sciences, Ningbo 315800, People's Republic of China; University of Chinese Academy of Sciences, Beijing 100049, People's Republic of China
| | - Yaying Li
- Key Laboratory of Urban Environment and Health, Institute of Urban Environment, Chinese Academy of Sciences, Xiamen 361021, People's Republic of China; Zhejiang Key Laboratory of Urban Environmental Processes and Pollution Control, Ningbo Urban Environment Observation and Research Station-NUEORS, Institute of Urban Environment, Chinese Academy of Sciences, Ningbo 315800, People's Republic of China
| | - Huaiying Yao
- Key Laboratory of Urban Environment and Health, Institute of Urban Environment, Chinese Academy of Sciences, Xiamen 361021, People's Republic of China; Zhejiang Key Laboratory of Urban Environmental Processes and Pollution Control, Ningbo Urban Environment Observation and Research Station-NUEORS, Institute of Urban Environment, Chinese Academy of Sciences, Ningbo 315800, People's Republic of China; Research Center for Environmental Ecology and Engineering, School of Environmental Ecology and Biological Engineering, Wuhan Institute of Technology, Wuhan 430073, People's Republic of China.
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10
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Liu H, Li Y, Pan B, Zheng X, Yu J, Ding H, Zhang Y. Pathways of soil N 2O uptake, consumption, and its driving factors: a review. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2022; 29:30850-30864. [PMID: 35092587 DOI: 10.1007/s11356-022-18619-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/17/2021] [Accepted: 01/07/2022] [Indexed: 06/14/2023]
Abstract
Nitrous oxide (N2O) is an important greenhouse gas that plays a significant role in atmospheric photochemical reactions and contributes to stratospheric ozone depletion. Soils are the main sources of N2O emissions. In recent years, it has been demonstrated that soil is not only a source but also a sink of N2O uptake and consumption. N2O emissions at the soil surface are the result of gross N2O production, uptake, and consumption, which are co-occurring processes. Soil N2O uptake and consumption are complex biological processes, and their mechanisms are still worth an in-depth systematic study. This paper aimed to systematically address the current research progress on soil N2O uptake and consumption. Based on a bibliometric perspective, this study has highlighted the pathways of soil N2O uptake and consumption and their driving factors and measurement techniques. This systematic review of N2O uptake and consumption will help to further understand N transformations and soil N2O emissions.
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Affiliation(s)
- Hongshan Liu
- College of Earth Sciences, Jilin University, Chao'yang, Changchun, 130061, Jilin, People's Republic of China
- Institute of Soil and Fertilizer, Fujian Academy of Agricultural Sciences/ Fujian Key Laboratory of Plant Nutrition and Fertilizer, Jin'an, Fuzhou, 350013, Fujian, People's Republic of China
| | - Yuefen Li
- College of Earth Sciences, Jilin University, Chao'yang, Changchun, 130061, Jilin, People's Republic of China.
| | - Baobao Pan
- School of Agriculture and Food, The University of Melbourne, Parkville, 3010, VIC, Australia
| | - Xiangzhou Zheng
- Institute of Soil and Fertilizer, Fujian Academy of Agricultural Sciences/ Fujian Key Laboratory of Plant Nutrition and Fertilizer, Jin'an, Fuzhou, 350013, Fujian, People's Republic of China
| | - Juhua Yu
- Institute of Soil and Fertilizer, Fujian Academy of Agricultural Sciences/ Fujian Key Laboratory of Plant Nutrition and Fertilizer, Jin'an, Fuzhou, 350013, Fujian, People's Republic of China
| | - Hong Ding
- Institute of Soil and Fertilizer, Fujian Academy of Agricultural Sciences/ Fujian Key Laboratory of Plant Nutrition and Fertilizer, Jin'an, Fuzhou, 350013, Fujian, People's Republic of China
| | - Yushu Zhang
- Institute of Soil and Fertilizer, Fujian Academy of Agricultural Sciences/ Fujian Key Laboratory of Plant Nutrition and Fertilizer, Jin'an, Fuzhou, 350013, Fujian, People's Republic of China.
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11
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Tran Sy N, Huynh Van T, Nguyen Huu C, Nguyen Van C, Mitsunori T. Rice husk and melaleuca biochar additions reduce soil CH4 and N2O emissions and increase soil physicochemical properties. F1000Res 2022; 10:1128. [PMID: 35284059 PMCID: PMC8881694 DOI: 10.12688/f1000research.74041.2] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 02/09/2022] [Indexed: 12/30/2022] Open
Abstract
Background: Biochar is a promising material in mitigating greenhouse gases (GHGs) emissions from paddy fields due to its remarkable structural properties. Rice husk biochar (RhB) and melaleuca biochar (MB) are amendment materials that could be used to potentially reduce emissions in the Vietnamese Mekong Delta (VMD). However, their effects on CH
4 and N
2O emissions and soil under local water management and conventional rice cultivation have not been thoroughly investigated. Methods: We conducted a field experiment using biochar additions to the topsoil layer (0-20 cm). Five treatments comprising 0 t ha
-1 (CT0); 5 t ha
-1 (RhB5) and 10 t ha
-1 (RhB10), and 5 t ha
-1 (MB5) and 10 t ha
-1 (MB10) were designed plot-by-plot (20 m
2) in triplicates. Results: The results showed that biochar application from 5 to 10 t ha
-1 significantly decreased cumulative CH
4 (24.2-28.0%, RhB; 22.0-14.1%, MB) and N
2O (25.6-41.0%, RhB; 38.4–56.4%, MB) fluxes without a reduction in grain yield. Increasing the biochar application rate further did not decrease significantly total CH
4 and N
2O fluxes but was seen to significantly reduce the global warming potential (GWP) and yield-scale GWP in the RhB treatments. Biochar application improved soil Eh but had no effects on soil pH. Whereas CH
4 flux correlated negatively with soil Eh (
P < 0.001;
r
2 = 0.552, RhB;
P < 0.001;
r
2 = 0.502, MB). Ameliorating soil aeration and functions by adding RhB and MB resulted in improving soil physicochemical properties, especially significant SOM and AN boosting, which indicate better soil health, structure, and fertility. Conclusions: Biochar supplementation significantly reduced CH
4 and N
2O fluxes and improved soil mineralization and physicochemical properties toward beneficial for rice plants. The results suggest that the optimal combination of biochar-application rates and effective water-irrigation techniques for soil types in the MD should be further studied in future works.
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Affiliation(s)
- Nam Tran Sy
- College of Environment and Natural resources, 3/2 street, Can Tho University, Can Tho city, 900000, Vietnam
| | - Thao Huynh Van
- College of Environment and Natural resources, 3/2 street, Can Tho University, Can Tho city, 900000, Vietnam
| | - Chiem Nguyen Huu
- College of Environment and Natural resources, 3/2 street, Can Tho University, Can Tho city, 900000, Vietnam
| | - Cong Nguyen Van
- College of Environment and Natural resources, 3/2 street, Can Tho University, Can Tho city, 900000, Vietnam
| | - Tarao Mitsunori
- Faculty of Agriculture, Tokyo University of Agriculture and Technology, Tokyo, 183-8506, Japan
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12
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Wang F, Harindintwali JD, Yuan Z, Wang M, Wang F, Li S, Yin Z, Huang L, Fu Y, Li L, Chang SX, Zhang L, Rinklebe J, Yuan Z, Zhu Q, Xiang L, Tsang DCW, Xu L, Jiang X, Liu J, Wei N, Kästner M, Zou Y, Ok YS, Shen J, Peng D, Zhang W, Barceló D, Zhou Y, Bai Z, Li B, Zhang B, Wei K, Cao H, Tan Z, Zhao LB, He X, Zheng J, Bolan N, Liu X, Huang C, Dietmann S, Luo M, Sun N, Gong J, Gong Y, Brahushi F, Zhang T, Xiao C, Li X, Chen W, Jiao N, Lehmann J, Zhu YG, Jin H, Schäffer A, Tiedje JM, Chen JM. Technologies and perspectives for achieving carbon neutrality. Innovation (N Y) 2021; 2:100180. [PMID: 34877561 PMCID: PMC8633420 DOI: 10.1016/j.xinn.2021.100180] [Citation(s) in RCA: 112] [Impact Index Per Article: 37.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2021] [Accepted: 10/27/2021] [Indexed: 12/17/2022] Open
Abstract
Global development has been heavily reliant on the overexploitation of natural resources since the Industrial Revolution. With the extensive use of fossil fuels, deforestation, and other forms of land-use change, anthropogenic activities have contributed to the ever-increasing concentrations of greenhouse gases (GHGs) in the atmosphere, causing global climate change. In response to the worsening global climate change, achieving carbon neutrality by 2050 is the most pressing task on the planet. To this end, it is of utmost importance and a significant challenge to reform the current production systems to reduce GHG emissions and promote the capture of CO2 from the atmosphere. Herein, we review innovative technologies that offer solutions achieving carbon (C) neutrality and sustainable development, including those for renewable energy production, food system transformation, waste valorization, C sink conservation, and C-negative manufacturing. The wealth of knowledge disseminated in this review could inspire the global community and drive the further development of innovative technologies to mitigate climate change and sustainably support human activities. Carbon neutrality may be achieved by reforming current global development systems to minimize greenhouse gas emissions and increase CO2 capture Harnessing the power of renewable and carbon-neutral resources to produce energy and other fossil-based alternatives may eliminate our dependence on fossil fuels Protecting natural carbon sinks and promoting CO2 capture, utilization, and storage are conducive to mitigating climate change This review presents the current state, opportunities, challenges, and perspectives of technologies related to achieving carbon neutrality
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Affiliation(s)
- Fang Wang
- CAS Key Laboratory of Soil Environment and Pollution Remediation, Institute of Soil Science, Chinese Academy of Sciences, Nanjing 210008, China.,University of Chinese Academy of Sciences, Beijing 100049, China
| | - Jean Damascene Harindintwali
- CAS Key Laboratory of Soil Environment and Pollution Remediation, Institute of Soil Science, Chinese Academy of Sciences, Nanjing 210008, China.,University of Chinese Academy of Sciences, Beijing 100049, China
| | - Zhizhang Yuan
- Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China.,University of Chinese Academy of Sciences, Beijing 100049, China
| | - Min Wang
- Key Laboratory for Agro-Ecological Processes in Subtropical Region, Institute of Subtropical Agriculture, Chinese Academy of Sciences, Changsha 410125, China.,University of Chinese Academy of Sciences, Beijing 100049, China
| | - Faming Wang
- South China Botanical Garden, Chinese Academy of Sciences, Guangzhou 510650, China.,Southern Marine Science and Engineering Guangdong Laboratory (Guangzhou), Guangzhou 511458, China.,University of Chinese Academy of Sciences, Beijing 100049, China
| | - Sheng Li
- Institute of Engineering Thermophysics, Chinese Academy of Sciences, Beijing 100190, China.,University of Chinese Academy of Sciences, Beijing 100049, China
| | - Zhigang Yin
- Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou 350002, China.,University of Chinese Academy of Sciences, Beijing 100049, China
| | - Lei Huang
- International Research Center of Big Data for Sustainable Development Goals, Beijing 100094, China.,Key Laboratory of Digital Earth Science, Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing 100094, China
| | - Yuhao Fu
- CAS Key Laboratory of Soil Environment and Pollution Remediation, Institute of Soil Science, Chinese Academy of Sciences, Nanjing 210008, China.,University of Chinese Academy of Sciences, Beijing 100049, China
| | - Lei Li
- State Key Laboratory of Coal Conversion, Institute of Coal Chemistry, Chinese Academy of Sciences, Taiyuan 030001, China.,University of Chinese Academy of Sciences, Beijing 100049, China
| | - Scott X Chang
- Department of Renewable Resources, University of Alberta, Edmonton, AB T6G 2E3, Canada
| | - Linjuan Zhang
- Shanghai Institute of Applied Physics, Chinese Academy of Sciences, Shanghai 201800, China.,University of Chinese Academy of Sciences, Beijing 100049, China
| | - Jörg Rinklebe
- Department of Soil and Groundwater Management, Bergische Universität Wuppertal, Wuppertal 42285, Germany
| | - Zuoqiang Yuan
- CAS Key Laboratory of Forest Ecology and Management, Institute of Applied Ecology, Chinese Academy of Sciences, Liaoning 110016, China.,University of Chinese Academy of Sciences, Beijing 100049, China
| | - Qinggong Zhu
- Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China.,University of Chinese Academy of Sciences, Beijing 100049, China
| | - Leilei Xiang
- CAS Key Laboratory of Soil Environment and Pollution Remediation, Institute of Soil Science, Chinese Academy of Sciences, Nanjing 210008, China.,University of Chinese Academy of Sciences, Beijing 100049, China
| | - Daniel C W Tsang
- Department of Civil and Environmental Engineering, Hong Kong Polytechnic University, Hong Kong, China
| | - Liang Xu
- Beijing Institute of Nanoenergy and Nanosystems, Chinese Academy of Sciences, Beijing 101400, China.,University of Chinese Academy of Sciences, Beijing 100049, China
| | - Xin Jiang
- CAS Key Laboratory of Soil Environment and Pollution Remediation, Institute of Soil Science, Chinese Academy of Sciences, Nanjing 210008, China.,University of Chinese Academy of Sciences, Beijing 100049, China
| | - Jihua Liu
- Institute of Marine Science and Technology, Shandong University, Qingdao 266273, China
| | - Ning Wei
- Institute of Rock and Soil Mechanics, Chinese Academy of Sciences, Wuhan 430000, China.,University of Chinese Academy of Sciences, Beijing 100049, China
| | - Matthias Kästner
- Department of Environmental Biotechnology, Helmholtz Centre for Environmental Research - UFZ, Leipzig 04318, Germany
| | - Yang Zou
- Shanghai Institute of Applied Physics, Chinese Academy of Sciences, Shanghai 201800, China.,University of Chinese Academy of Sciences, Beijing 100049, China
| | | | - Jianlin Shen
- Key Laboratory for Agro-Ecological Processes in Subtropical Region, Institute of Subtropical Agriculture, Chinese Academy of Sciences, Changsha 410125, China.,University of Chinese Academy of Sciences, Beijing 100049, China
| | - Dailiang Peng
- International Research Center of Big Data for Sustainable Development Goals, Beijing 100094, China.,Key Laboratory of Digital Earth Science, Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing 100094, China.,University of Chinese Academy of Sciences, Beijing 100049, China
| | - Wei Zhang
- Chongqing Institute of Green and Intelligent Technology, Chinese Academy of Sciences, Chongqing 400714, China.,University of Chinese Academy of Sciences, Beijing 100049, China
| | - Damià Barceló
- Catalan Institute for Water Research ICRA-CERCA, Girona 17003, Spain
| | - Yongjin Zhou
- Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China.,University of Chinese Academy of Sciences, Beijing 100049, China
| | - Zhaohai Bai
- Key Laboratory of Agricultural Water Resources, Hebei Key Laboratory of Soil Ecology, Center for Agricultural Resources Research, Institute of Genetic and Developmental Biology, Chinese Academy of Sciences, Shijiazhuang 050021, China.,University of Chinese Academy of Sciences, Beijing 100049, China
| | - Boqiang Li
- CAS Key Laboratory of Plant Resources, Institute of Botany, Chinese Academy of Sciences, Beijing 100093, China.,University of Chinese Academy of Sciences, Beijing 100049, China
| | - Bin Zhang
- State Key Laboratory of Coal Conversion, Institute of Coal Chemistry, Chinese Academy of Sciences, Taiyuan 030001, China.,University of Chinese Academy of Sciences, Beijing 100049, China
| | - Ke Wei
- The Institute of Atmospheric Physics, Chinese Academy of Sciences, Beijing 100029, China.,University of Chinese Academy of Sciences, Beijing 100049, China
| | - Hujun Cao
- Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China.,University of Chinese Academy of Sciences, Beijing 100049, China
| | - Zhiliang Tan
- Key Laboratory for Agro-Ecological Processes in Subtropical Region, Institute of Subtropical Agriculture, Chinese Academy of Sciences, Changsha 410125, China.,University of Chinese Academy of Sciences, Beijing 100049, China
| | - Liu-Bin Zhao
- Department of Chemistry, School of Chemistry and Chemical Engineering, Southwest University, Chongqing, 400715, China
| | - Xiao He
- Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, China.,University of Chinese Academy of Sciences, Beijing 100049, China
| | - Jinxing Zheng
- Institute of Plasma Physics, Chinese Academy of Sciences, Anhui 230031, China.,University of Chinese Academy of Sciences, Beijing 100049, China
| | - Nanthi Bolan
- School of Agriculture and Environment, Institute of Agriculture, University of Western Australia, Crawley 6009, Australia
| | - Xiaohong Liu
- Chongqing Institute of Green and Intelligent Technology, Chinese Academy of Sciences, Chongqing 400714, China.,University of Chinese Academy of Sciences, Beijing 100049, China
| | - Changping Huang
- Key Laboratory of Digital Earth Science, Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing 100094, China.,University of Chinese Academy of Sciences, Beijing 100049, China
| | - Sabine Dietmann
- Institute for Informatics (I), Washington University, St. Louis, MO 63110-1010, USA
| | - Ming Luo
- South China Botanical Garden, Chinese Academy of Sciences, Guangzhou 510650, China.,University of Chinese Academy of Sciences, Beijing 100049, China
| | - Nannan Sun
- Shanghai Advanced Research Institute, Chinese Academy of Sciences, Shanghai 201210, China.,University of Chinese Academy of Sciences, Beijing 100049, China
| | - Jirui Gong
- Key Laboratory of Surface Processes and Resource Ecology, Faculty of Geographical Science, Beijing Normal University, Beijing 100875, China
| | - Yulie Gong
- CAS Key Laboratory of Renewable Energy, Guangzhou Institute of Energy Conversion, Chinese Academy of Sciences, Guangzhou 510640, China.,University of Chinese Academy of Sciences, Beijing 100049, China
| | - Ferdi Brahushi
- Department of Agro-environment and Ecology, Agricultural University of Tirana, Tirana 1029, Albania
| | - Tangtang Zhang
- Key Laboratory of Land Surface Process and Climate Change in Cold and Arid Regions, Chinese Academy of Sciences, Lanzhou 730000, China
| | - Cunde Xiao
- Key Laboratory of Surface Processes and Resource Ecology, Faculty of Geographical Science, Beijing Normal University, Beijing 100875, China
| | - Xianfeng Li
- Key Laboratory for Agro-Ecological Processes in Subtropical Region, Institute of Subtropical Agriculture, Chinese Academy of Sciences, Changsha 410125, China.,University of Chinese Academy of Sciences, Beijing 100049, China
| | - Wenfu Chen
- Shenyang Agricultural University, Shenyang 110866, China
| | - Nianzhi Jiao
- Joint Laboratory for Ocean Research and Education at Dalhousie University, Shandong University and Xiamen University, Halifax, NS, B3H 4R2, Canada, Qingdao 266237, China, and, Xiamen 361005, China.,Institute of Marine Microbes and Ecospheres, Xiamen University, Xiamen 361101, China.,State Key Laboratory of Marine Environmental Science and College of Ocean and Earth Sciences, Fujian Key Laboratory of Marine Carbon Sequestration, Xiamen University, Xiamen 361005, China
| | - Johannes Lehmann
- School of Integrative Plant Science, Section of Soil and Crop Sciences, Cornell University, Ithaca, NY 14853, USA.,Institute for Advanced Studies, Technical University Munich, Garching 85748, Germany
| | - Yong-Guan Zhu
- Key Lab of Urban Environment and Health, Institute of Urban Environment, Chinese Academy of Sciences, 1799 Jimei Road, Xiamen, 361021, China.,State Key Laboratory of Urban and Regional Ecology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing, 100085, China.,University of Chinese Academy of Sciences, Beijing 100049, China
| | - Hongguang Jin
- International Research Center of Big Data for Sustainable Development Goals, Beijing 100094, China.,University of Chinese Academy of Sciences, Beijing 100049, China
| | - Andreas Schäffer
- Institute for Environmental Research, RWTH Aachen University, Aachen 52074, Germany
| | - James M Tiedje
- Center for Microbial Ecology, Department of Plant, Soil and Microbial Sciences, Michigan State University, East Lansing, MI 48824, USA
| | - Jing M Chen
- Department of Geography and Planning, University of Toronto, Ontario, Canada, M5S 3G3
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13
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Nan Q, Hu S, Qin Y, Wu W. Methane oxidation activity inhibition via high amount aged biochar application in paddy soil. THE SCIENCE OF THE TOTAL ENVIRONMENT 2021; 796:149050. [PMID: 34280636 DOI: 10.1016/j.scitotenv.2021.149050] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/09/2021] [Revised: 06/18/2021] [Accepted: 07/11/2021] [Indexed: 06/13/2023]
Abstract
Fresh biochar application has been recommended as an effective strategy to mitigate methane emissions from paddy soil due to its role in promoting potential methane oxidation (PMO). However, little is known about the effect of biochar on PMO after long-term aging. Here, a laboratory incubation experiment was performed to gain insight into the combined effects of biochar characteristics on soil PMO during the biochar aging process. Biochar samples aged with an HNO3/H2SO4 mixture (1:3) were prepared and added at 22.5 and 2.8 t ha-1 to paddy soil. Mixed acid with a dilution of 10- 40% indicated the aging process in paddy field properly. Smaller biochar particles, smoother surface, higher surface area and porosity were observed with the increase of mixed acid ratio. Carboxylic functional groups (COOR) on biochar surface increased accompanied with biochar aging process. Aged biochar application at 22.5 t ha-1 inhibited paddy soil PMO, which mainly caused from the increased COOR groups induced NH4+-N inhibition for PMO. Increased soil NH4+-N inhibited PMO by limiting the growth of methanotrophs and nitrifiers due to decreased soil pH. In contrast, 2.8 t aged biochar ha-1 application showed no significant difference on PMO compared with control. Our results indicated that aged biochar exerted in paddy soil have limited effect on mitigating methane emissions from paddy soil in the long term.
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Affiliation(s)
- Qiong Nan
- Institute of Environment Pollution Control and Treatment, College of Environment and Resource Science, Zhejiang University, Hangzhou 310029, PR China
| | - Senlin Hu
- Institute of Environment Pollution Control and Treatment, College of Environment and Resource Science, Zhejiang University, Hangzhou 310029, PR China
| | - Yong Qin
- Institute of Environment Pollution Control and Treatment, College of Environment and Resource Science, Zhejiang University, Hangzhou 310029, PR China.
| | - Weixiang Wu
- Institute of Environment Pollution Control and Treatment, College of Environment and Resource Science, Zhejiang University, Hangzhou 310029, PR China
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14
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Shakoor A, Arif MS, Shahzad SM, Farooq TH, Ashraf F, Altaf MM, Ahmed W, Tufail MA, Ashraf M. Does biochar accelerate the mitigation of greenhouse gaseous emissions from agricultural soil? - A global meta-analysis. ENVIRONMENTAL RESEARCH 2021; 202:111789. [PMID: 34333013 DOI: 10.1016/j.envres.2021.111789] [Citation(s) in RCA: 29] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/08/2020] [Revised: 07/19/2021] [Accepted: 07/26/2021] [Indexed: 06/13/2023]
Abstract
Greenhouse gaseous (GHGs) emissions from cropland soils are one of the major contributors to global warming. However, the extent and pattern of these climatic breakdowns are usally determined by the management practices in-place. The use of biochar on cropland soils holds a great promise for increasing the overall crop productivity. Nevertheless, biochar application to agricultural soils has grown in popularity as a strategy to off-set the negative feedback associated with agriculture GHGs emissions, i.e., CO2 (carbon dioxide), CH4 (methane), and N2O (nitrous oxide). Despite increasing efforts to uncover the potential of biochar to mitigate the farmland GHGs effects, there has been little synthesis of how different types of biochar affect GHGs fluxes from cropland soils under varied experimental conditions. Here, we presented a meta-analysis of the interactions between biochar and GHGs emissions across global cropland soils, with field experiments showing the strongest GHG mitigation potential, i.e. CO2 (RR = -0.108) and CH4 (RR = -0.399). The biochar pyrolysis temperature, feedstock, C: N ratio, and pH were also found to be important factors influencing GHGs emissions. A prominent reduction in N2O (RR = -0.13) and CH4 (RR = -1.035) emissions was observed in neutral soils (pH = 6.6-7.3), whereas acidic soils (pH ≤ 6.5) accounted for the strongest mitigation effect on CO2 compared to N2O and CH4 emissions. We also found that a biochar application rate of 30 t ha-1 was best for mitigating GHGs emissions while achieving optimal crop yield. According to our meta-analysis, maize crop receiving biochar amendment showed a significant mitigation potential for CO2, N2O, and CH4 emissions. On the other hand, the use of biochar had shown significant impact on the global warming potential (GWP) of total GHGs emissions. The current data synthesis takes the lead in analyzing emissions status and mitigation potential for three of the most common GHGs from cropland soils and demonstrates that biochar application can significantly reduce the emissions budget from agriculture.
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Affiliation(s)
- Awais Shakoor
- Department of Environment and Soil Sciences, University of Lleida, Avinguda Alcalde Rovira Roure 191, 25198, Lleida, Spain.
| | - Muhammad Saleem Arif
- Department of Environmental Sciences & Engineering, Government College University Faisalabad, Faisalabad, 38000, Pakistan.
| | - Sher Muhammad Shahzad
- Department of Soil and Environmental Sciences, College of Agriculture, University of Sargodha, Sargodha, 40100, Punjab, Pakistan
| | - Taimoor Hassan Farooq
- Bangor College China, a Joint Unit of Bangor University, Wales, UK and Central South University of Forestry and Technology, Changsha 410004, China
| | - Fatima Ashraf
- Department of Chemistry, Lahore College for Women University, Lahore, Pakistan
| | - Muhammad Mohsin Altaf
- State Key Laboratory of Marine Resource Utilization in South China Sea, College of Ecology and Environment, Hainan University, Haikou, 570228, China
| | - Waqas Ahmed
- Guangdong Provincial Key Laboratory for Radionuclides Pollution Control and Resources, School of Environmental Science and Engineering, Guangzhou University, Guangzhou, 510006, China; School of Civil Engineering, Guangzhou University, Guangzhou, 510006, PR China
| | - Muhammad Aammar Tufail
- Department of Civil, Environmental and Mechanical Engineering, University of Trento, 38123, Trento, Italy
| | - Muhammad Ashraf
- Department of Soil Science, Faculty of Agriculture, Bahauddin Zakariya University, Multan, Punjab, Pakistan
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Li D, Li H, Chen D, Xue L, He H, Feng Y, Ji Y, Yang L, Chu Q. Clay-hydrochar composites mitigated CH 4 and N 2O emissions from paddy soil: A whole rice growth period investigation. THE SCIENCE OF THE TOTAL ENVIRONMENT 2021; 780:146532. [PMID: 33773345 DOI: 10.1016/j.scitotenv.2021.146532] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/06/2020] [Revised: 03/10/2021] [Accepted: 03/12/2021] [Indexed: 06/12/2023]
Abstract
With the favorable microporous structure and excellent adsorption capacity, clay-hydrochar composites (CHCs) serve as promising materials to mitigate greenhouse gas emissions (GHG) from the paddy fields. Three clays were co-pyrolyzed with hydrochar derived from poplar sawdust to obtain CHCs, which were applied to the paddy fields to investigate the effects on methane (CH4) and nitrous oxide (N2O) emissions. Three CHCs were labeled as bentonite-hydrochar composite (BTHC), montmorillonite-hydrochar composite (MTHC), and kaolinite-hydrochar composite (KTHC), respectively. The effects of these three CHCs on GHG emissions were determined by monitoring the dynamic CH4 and N2O emissions in the paddy soil column ecosystem during the rice-growing season. The results showed that compared with the control group, three CHCs significantly mitigated CH4 and N2O emissions by 21.4%-47.5% and 5.2%-36.8%, respectively. Furthermore, the fluorescent components result displayed CHCs increased humic-like content by 29.62%-59.72%. A structural equation model was used to assess the hypothesis mitigation mechanism, which exemplified that GHG emissions negatively correlated with pmoA and nosZ genes, possibly resulting in the CH4 and N2O mitigation. Among the three CHCs, the KTHC amendment mitigated the CH4 and N2O emissions by 47.5% and 36.8%, respectively, which was superior to BTHC and MTHC. Hence, it was recommended for application to the field. Overall, this study demonstrates the mitigating effects of CHCs on GHG emissions for the first time, and the reduced CH4 and N2O emissions could contribute to increased soil C and N retention for better agricultural nutrients management.
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Affiliation(s)
- Detian Li
- Key Laboratory of Agro-Environment in Downstream of Yangtze Plain and Key Laboratory for Crop and Animal Integrated Farming of Ministry of Agriculture and Rural Affairs, Ministry of Agriculture and Rural Affairs of the People's Republic of China, Institute of Agricultural Resources and Environment, Jiangsu Academy of Agricultural Sciences, Nanjing 210014, China; School of Earth and Environment, Anhui University of Science and Technology, Huainan 232001, China
| | - Huiting Li
- School of Earth and Environment, Anhui University of Science and Technology, Huainan 232001, China
| | - Danyan Chen
- Key Laboratory of Agro-Environment in Downstream of Yangtze Plain and Key Laboratory for Crop and Animal Integrated Farming of Ministry of Agriculture and Rural Affairs, Ministry of Agriculture and Rural Affairs of the People's Republic of China, Institute of Agricultural Resources and Environment, Jiangsu Academy of Agricultural Sciences, Nanjing 210014, China; College of Horticulture, Jinling Institute of Technology, Nanjing 210038, China
| | - Lihong Xue
- Key Laboratory of Agro-Environment in Downstream of Yangtze Plain and Key Laboratory for Crop and Animal Integrated Farming of Ministry of Agriculture and Rural Affairs, Ministry of Agriculture and Rural Affairs of the People's Republic of China, Institute of Agricultural Resources and Environment, Jiangsu Academy of Agricultural Sciences, Nanjing 210014, China; College of Resources and Environment Science, Nanjing Agricultural University, Nanjing 210095, China; School of the Environment and Safety Engineering, Jiangsu University, Zhenjiang 212001, China
| | - Huayong He
- Key Laboratory of Agro-Environment in Downstream of Yangtze Plain and Key Laboratory for Crop and Animal Integrated Farming of Ministry of Agriculture and Rural Affairs, Ministry of Agriculture and Rural Affairs of the People's Republic of China, Institute of Agricultural Resources and Environment, Jiangsu Academy of Agricultural Sciences, Nanjing 210014, China; School of the Environment and Safety Engineering, Jiangsu University, Zhenjiang 212001, China
| | - Yanfang Feng
- Key Laboratory of Agro-Environment in Downstream of Yangtze Plain and Key Laboratory for Crop and Animal Integrated Farming of Ministry of Agriculture and Rural Affairs, Ministry of Agriculture and Rural Affairs of the People's Republic of China, Institute of Agricultural Resources and Environment, Jiangsu Academy of Agricultural Sciences, Nanjing 210014, China; College of Resources and Environment Science, Nanjing Agricultural University, Nanjing 210095, China; School of the Environment and Safety Engineering, Jiangsu University, Zhenjiang 212001, China.
| | - Yang Ji
- College of Applied Meteorology, Nanjing University of Information Science & Technology, Nanjing 210044, China
| | - Linzhang Yang
- Key Laboratory of Agro-Environment in Downstream of Yangtze Plain and Key Laboratory for Crop and Animal Integrated Farming of Ministry of Agriculture and Rural Affairs, Ministry of Agriculture and Rural Affairs of the People's Republic of China, Institute of Agricultural Resources and Environment, Jiangsu Academy of Agricultural Sciences, Nanjing 210014, China
| | - Qingnan Chu
- Key Laboratory of Agro-Environment in Downstream of Yangtze Plain and Key Laboratory for Crop and Animal Integrated Farming of Ministry of Agriculture and Rural Affairs, Ministry of Agriculture and Rural Affairs of the People's Republic of China, Institute of Agricultural Resources and Environment, Jiangsu Academy of Agricultural Sciences, Nanjing 210014, China; Graduate School of Agricultural and Life Sciences, The University of Tokyo, Yayoi, Bunkyo-ku, Tokyo 113-8657, Japan
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Li SH, Guo LJ, Cao CG, Li CF. Effects of straw returning levels on carbon footprint and net ecosystem economic benefits from rice-wheat rotation in central China. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2021; 28:5742-5754. [PMID: 32974819 DOI: 10.1007/s11356-020-10914-w] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/21/2020] [Accepted: 09/17/2020] [Indexed: 05/12/2023]
Abstract
Straw returning usually gives rise to greenhouse gas (GHG) emissions from the soil, and thus negatively affects carbon footprint (CF) of crop production. Numerous studies reported the effects of straw returning on the CF from single crop production. However, little is known about the integrated effects of different levels of straw returning on the CF and net ecosystem economic benefits (NEEB) from rice-wheat rotation. Here, we investigated the effects of different amounts of straw returning on soil CH4 and N2O emissions, GHG emissions from agricultural inputs (AIGHG), CF, and NEEB from a 2-year cycle of rice-wheat rotation. The CF was determined based on the total GHG emissions associated with crop production inputs and services. Overall, straw returning significantly increased annual CH4 emissions by 5.4-72.2% and reduced annual N2O emissions by 3.3-31.4% compared with straw removal. Straw returning remarkably increased rice grain yields by 8.1-9.9% and wheat grain yields by 10.2-21.1% compared with straw removal. The average annual AIGHG from rice-wheat rotation ranged from 3579 to 4987 kg CO2-eq ha-1. Diesel consumption played a dominant role in the AIGHG. The annual CF ranged from 0.96 to 1.31 kg CO2-eq kg-1 and increased with increasing straw returning amounts. The NEEB, which ranged from 14161 to 17413 CNY ha-1, was significantly affected by the levels of straw returning. The treatment with returning of 1/3 of preceding crop straw to the field (2.19-2.47 kg ha-1 year-1 of rice straw in the wheat season and 1.38-1.68 kg ha-1 year-1 of wheat straw in the rice season) resulted in relatively higher grain yield, the lowest CF, and the highest NEEB among all treatments, and thus can reduce CF, and increase grain yields and NEEB, and thus can be recommended as a sustainable approach to mitigate GHG emissions and increase economic benefits from rice-wheat rotation.
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Affiliation(s)
- Shi-Hao Li
- MOA Key Laboratory of Crop Ecophysiology and Farming System in the Middle Reaches of the Yangtze River/College of Plant Science & Technology, Huazhong Agricultural University, Wuhan, 430070, People's Republic of China
| | - Li-Jin Guo
- Key Laboratory Germplasm Resource Biology of Tropical Special Ornamental Plants of Hainan Province/College of Forestry, Hainan University, Haikou, 570228, People's Republic of China
| | - Cou-Gui Cao
- MOA Key Laboratory of Crop Ecophysiology and Farming System in the Middle Reaches of the Yangtze River/College of Plant Science & Technology, Huazhong Agricultural University, Wuhan, 430070, People's Republic of China.
- Hubei Collaborative Innovation Center for Grain Industry, Yangtze University, Jingzhou, 434023, People's Republic of China.
- , Wuhan City, People's Republic of China.
| | - Cheng-Fang Li
- MOA Key Laboratory of Crop Ecophysiology and Farming System in the Middle Reaches of the Yangtze River/College of Plant Science & Technology, Huazhong Agricultural University, Wuhan, 430070, People's Republic of China.
- Hubei Collaborative Innovation Center for Grain Industry, Yangtze University, Jingzhou, 434023, People's Republic of China.
- , Wuhan City, People's Republic of China.
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Wang J, Long Z, Min W, Hou Z. Metagenomic analysis reveals the effects of cotton straw-derived biochar on soil nitrogen transformation in drip-irrigated cotton field. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2020; 27:43929-43941. [PMID: 32743698 DOI: 10.1007/s11356-020-10267-4] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/20/2020] [Accepted: 07/23/2020] [Indexed: 06/11/2023]
Abstract
Biochar has been widely accepted as a soil amendment to improve nitrogen (N) use efficiency, but the effect of biochar on N transformation metabolic pathways is unclear. A field experiment was conducted to evaluate the effect of biochar on N transformation in drip-irrigated cotton field. Four treatments were set as (1) no N fertilization (CK), (2) N fertilizer application at 300 kg ha-1 (N300), (3) N fertilizer application plus cotton straw (N300+ST), and (4) N fertilizer application plus cotton straw-derived biochar (N300+BC). Result showed that soil total N in N300+ST and N300+BC was 16.3% and 24.9% higher than that in N300, respectively. Compared with N300+ST, the nitrate N (NO3--N) in N300+BC was significantly increased. Acidolyzable N and non-acidolyzable N in N300+ST and N300+BC were higher than those in CK and N300, while N300+BC performed better than N300+ST. Furthermore, the N fertilizer use efficiency of cotton in N300+ST and N300+BC was 15.1% and 23.2% higher than that in N300, respectively. Both N fertilizer incorporations with straw and biochar significantly altered the microbial community structures and N metabolic pathways. Genes related to denitrification and nitrate reduction in N300+ST were higher than those in N300, and N300+BC significantly increased nitrification and glutamate synthesis genes. Therefore, N fertilizer application plus cotton straw-derived biochar changed the microbial community composition, increased nitrification and glutamate synthesis enzyme genes which were beneficial to the accumulation of soil N content, and improved soil N retention capacity thus to increase N fertilizer use efficiency.
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Affiliation(s)
- Jing Wang
- Department of Resources and Environmental Science, Shihezi University, Shihezi, 832003, Xinjiang, People's Republic of China
| | - Zehua Long
- Department of Resources and Environmental Science, Shihezi University, Shihezi, 832003, Xinjiang, People's Republic of China
| | - Wei Min
- Department of Resources and Environmental Science, Shihezi University, Shihezi, 832003, Xinjiang, People's Republic of China
| | - Zhenan Hou
- Department of Resources and Environmental Science, Shihezi University, Shihezi, 832003, Xinjiang, People's Republic of China.
- Agriculture College, Shihezi University, Box #425, Shihezi, Xinjiang, 832003, China.
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Effect of rice straw and swine manure biochar on N 2O emission from paddy soil. Sci Rep 2020; 10:10843. [PMID: 32616844 PMCID: PMC7331641 DOI: 10.1038/s41598-020-67705-z] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2020] [Accepted: 06/09/2020] [Indexed: 11/30/2022] Open
Abstract
We analyzed the effects of rice straw biochar (RSBC) and swine manure biochar (SMBC) on N2O emission from paddy soil. The biochars were added to soil at the rates of 1% and 5% (w/w), and N2O emission, soil properties and soil enzyme activities were determined at the elongation, heading and maturation stages of rice growth. The N2O flux started within 2 h of adding the biochar, and decreased significantly thereafter during the three growth stages. The cumulative N2O emission was suppressed by 45.14–73.96% following biochar application, and 5% SMBC resulted in the lowest cumulative emission. In addition, biochar application significantly increased soil pH, soil organic carbon (SOC), NO3− levels and urease activity, and decreased soil NH4+ and nitrate reductase activity. Regression analysis indicated that cumulative N2O emission was correlated positively to NH4+, and negatively to soil pH, SOC and NO3−. SEM further revealed that biochar application weakened the denitrification process, and the NH4+ level had the most significant impact on N2O emission. Taken together, RSBC and SMBC regulated the nitrogen cycle in paddy soil and mitigated N2O emission by increasing soil pH, decreasing nitrate reductase activity and NH4+ content.
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Balancing Waste and Nutrient Flows Between Urban Agglomerations and Rural Ecosystems: Biochar for Improving Crop Growth and Urban Air Quality in The Mediterranean Region. ATMOSPHERE 2020. [DOI: 10.3390/atmos11050539] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Mediterranean ecosystems are threatened by water and nutrient scarcity and continuous loss of soil organic carbon. Urban agglomerations and rural ecosystems in the Mediterranean region and globally are interlinked through the flows of resources/nutrients and wastes. Contributing to balancing these cycles, the present study advocates standardized biochar as a soil amendment, produced from Mediterranean suitable biowaste, for closing the nutrient loop in agriculture, with parallel greenhouse gas reduction, enhancing air quality in urban agglomerations, mitigating climate change. The study’s scope is the contextualization of pyrolytic conditions and biowaste type effects on the yield and properties of biochar and to shed light on biochar’s role in soil fertility and climate change mitigation. Mediterranean-type suitable feedstocks (biowaste) to produce biochar, in accordance with biomass feedstocks approved for use in producing biochar by the European Biochar Certificate, are screened. Data form large-scale and long-period field experiments are considered. The findings advocate the following: (a) pyrolytic biochar application in soils contributes to the retention of important nutrients for agricultural production, thereby reducing the use of fertilizers; (b) pyrolysis does not release carbon dioxide to the atmosphere, contributing positively to the balance of carbon dioxide emissions to the atmosphere, with carbon uptake by plant photosynthesis; (c) biochar stores carbon in soils, counterbalancing the effect of climate change by sequestering carbon; (d) there is an imperative need to identify the suitable feedstock for the production of sustainable and safe biochar from a range of biowaste, according to the European Biochar Certificate, for safe crop production.
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Xiao Z, Rasmann S, Yue L, Lian F, Zou H, Wang Z. The effect of biochar amendment on N-cycling genes in soils: A meta-analysis. THE SCIENCE OF THE TOTAL ENVIRONMENT 2019; 696:133984. [PMID: 31465924 DOI: 10.1016/j.scitotenv.2019.133984] [Citation(s) in RCA: 36] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/29/2019] [Revised: 08/13/2019] [Accepted: 08/18/2019] [Indexed: 06/10/2023]
Abstract
Nitrogen (N) cycling by soil microbes can be estimated by quantifying the abundance of microbial functional genes (MFG) involved in N-transformation processes. In agro-ecosystems, biochars are regularly applied for increasing soil fertility and stability. In turn, it has been shown that biochar amendment can alter soil N cycling by altering MFG abundance and richness. However, the general patterns and mechanisms of how biochar amendment modifies N-cycling gene abundance have not been synthesized to date. Here, we addressed this knowledge gap by performing a meta-analysis of existing literatures up to 2019. We included five main marker genes involved in N cycling: nifH, amoA, nirK, nirS and nosZ. We found that biochar addition significantly increased the abundance of ammonia-oxidizing archaea (AOA), nirK, nirS and nosZ by an average of 25.3%, 32.0%, 14.6% and 17.0%, respectively. Particularly, biochar amendment increased the abundances of most N-cycling genes when soil pH changed from very acidic (pH < 5) to acidic (pH: 5.5-6.5). Experimental conditions, cover plants, biochar pyrolysis temperature and fertilizer application were also important factors regulating the response of most N-cycling genes to biochar amendment. Moreover, soil pH significantly correlated with ammonia-oxidizing bacteria (AOB) abundance, while we found that most genes involved in nitrification and denitrification were not significantly correlated with each other across studies. Our results contribute to developing quantitative models of microbially-mediated N-transforming processes in response to biochar addition, and stimulate research on how to use biochar amendment for reducing reactive N gas emissions and enhancing N bioavailability to crop plants in agro-ecosystems.
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Affiliation(s)
- Zhenggao Xiao
- Institute of Environmental Processes and Pollution Control, School of Environmental and Civil Engineering, Jiangnan University, Wuxi 214122, China
| | - Sergio Rasmann
- Institute of Biology, University of Neuchâtel, Neuchatel 2000, Switzerland
| | - Le Yue
- Institute of Environmental Processes and Pollution Control, School of Environmental and Civil Engineering, Jiangnan University, Wuxi 214122, China
| | - Fei Lian
- Institute of Environmental Processes and Pollution Control, School of Environmental and Civil Engineering, Jiangnan University, Wuxi 214122, China
| | - Hua Zou
- School of Environmental and Civil Engineering, Jiangnan University, Wuxi 214122, China
| | - Zhenyu Wang
- Institute of Environmental Processes and Pollution Control, School of Environmental and Civil Engineering, Jiangnan University, Wuxi 214122, China.
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Wu Z, Song Y, Shen H, Jiang X, Li B, Xiong Z. Biochar can mitigate methane emissions by improving methanotrophs for prolonged period in fertilized paddy soils. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2019; 253:1038-1046. [PMID: 31434181 DOI: 10.1016/j.envpol.2019.07.073] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/23/2019] [Revised: 06/29/2019] [Accepted: 07/14/2019] [Indexed: 05/18/2023]
Abstract
Biochar application to fertilized paddy soils has been recommended as an effective countermeasure to mitigate methane (CH4) emissions, but its mechanism and effective duration has not yet been adequately elucidated. A laboratory incubation experiment was performed to gain insight into the combined effects of fresh and six-year aged biochar on potential methane oxidation (PMO) in paddy soils with ammonium or nitrate-amendment. Results showed that both ammonium and nitrate were essential for CH4 oxidation though high ammonium (4 mM) inhibited PMO as compared to low ammonium (1 mM and 2 mM), and that nitrate was better in promoting PMO than ammonium. Moreover, ammonium-amendment promoted type I pmoA, and nitrate-amendment enhanced type II pmoA abundance. Both fresh and aged biochar increased PMO as well as nitrification by enhancing the total, type I and type II methanotrophs as compared to the control. Increased soil PMO with mineral N input in both six-year aged biochar and fresh biochar amendment, indicating that biochar mitigated CH4 by promoting PMO for prolonged period in fertilized paddy soils.
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Affiliation(s)
- Zhen Wu
- Jiangsu Key Laboratory of Low Carbon Agriculture and GHGs Mitigation, College of Resources and Environmental Sciences, Nanjing Agricultural University, Nanjing 210095, China
| | - Yanfeng Song
- Jiangsu Key Laboratory of Low Carbon Agriculture and GHGs Mitigation, College of Resources and Environmental Sciences, Nanjing Agricultural University, Nanjing 210095, China
| | - Haojie Shen
- Jiangsu Key Laboratory of Low Carbon Agriculture and GHGs Mitigation, College of Resources and Environmental Sciences, Nanjing Agricultural University, Nanjing 210095, China
| | - Xueyang Jiang
- Jiangsu Key Laboratory of Low Carbon Agriculture and GHGs Mitigation, College of Resources and Environmental Sciences, Nanjing Agricultural University, Nanjing 210095, China
| | - Bo Li
- Jiangsu Key Laboratory of Low Carbon Agriculture and GHGs Mitigation, College of Resources and Environmental Sciences, Nanjing Agricultural University, Nanjing 210095, China; College of Natural Resources and Environment, South China Agricultural University, Guangzhou 510642, China
| | - Zhengqin Xiong
- Jiangsu Key Laboratory of Low Carbon Agriculture and GHGs Mitigation, College of Resources and Environmental Sciences, Nanjing Agricultural University, Nanjing 210095, China.
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