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Liu J, Chen Z, Wu S, Sun H, Xing J, Zhang Z. Interaction of Biochar Addition and Nitrogen Fertilizers on Wheat Production and Nutrient Status in Soil Profiles. PLANTS (BASEL, SWITZERLAND) 2024; 13:614. [PMID: 38475463 DOI: 10.3390/plants13050614] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/14/2024] [Revised: 02/05/2024] [Accepted: 02/20/2024] [Indexed: 03/14/2024]
Abstract
To investigate the responses of crop production and soil profile nutrient status to biochar (BC) application, we conducted a soil column experiment considering two BC addition rates (0.5 and 1.5 wt% of the weight of 0-20 cm topsoil) combined with two nitrogen (N) input levels (low N: 144 kg ha-1, LN; high N: 240 kg ha-1, HN). The results showed that BC application increased the soil pH. The soil pH of the 0-10 cm profile under LN and the 20-40 cm profile under HN were both significantly increased by 0.1-0.2 units after BC addition. Under LN, BC addition significantly increased NH4+-N (17.8-46.9%), total N (15.4-38.4%), and soil organic carbon (19.9-24.0%) in the 0-10 cm profile, but decreased NH4+-N in the 20-30 cm soil profile and NO3--N in the 10-30 cm profile by 13.8-28.5% and 13.0-34.9%, respectively. BC had an increasing effect on the available phosphorus, the contents of which in the 10-20 and 30-40 cm soil profiles under LN and 20-30 cm profile under HN were significantly elevated by 14.1%, 24.0%, and 23.27%, respectively. However, BC exerted no effect on the available potassium in the soil profile. BC had a strong improving effect (15.3%) on the wheat yield, especially the N144 + BC0.5% treatment, which could be compared to the HN treatment, but there was no yield-increasing effect when high N fertilizer was supplied. In summary, BC improved the fertility of agriculture soil (0-20 cm) with wheat. In particular, low N inputs together with an appropriate rate of BC (0.5 wt%) could not only achieve the low inputs but also the high outputs in wheat production. In future study, we will compare the effects of multiple doses of N and BC on soil fertility and crop production.
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Affiliation(s)
- Jiale Liu
- Co-Innovation Center for Sustainable Forestry in Southern China, College of Soil and Water Conservation, Nanjing Forestry University, Nanjing 210037, China
| | - Zirui Chen
- Co-Innovation Center for Sustainable Forestry in Southern China, College of Soil and Water Conservation, Nanjing Forestry University, Nanjing 210037, China
| | - Si Wu
- Co-Innovation Center for Sustainable Forestry in Southern China, College of Soil and Water Conservation, Nanjing Forestry University, Nanjing 210037, China
| | - Haijun Sun
- Co-Innovation Center for Sustainable Forestry in Southern China, College of Soil and Water Conservation, Nanjing Forestry University, Nanjing 210037, China
| | - Jincheng Xing
- Institute of Jiangsu Coastal Agricultural Sciences, Yancheng 224002, China
| | - Zhenhua Zhang
- Institute of Jiangsu Coastal Agricultural Sciences, Yancheng 224002, China
- School of Agriculture and Environment, The University of Western Australia, Crawley, WA 6009, Australia
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Zhang M, Liu Y, Wei Q, Liu L, Gu X, Gou J, Wang M. Effects of biochar and vermicompost on growth and economic benefits of continuous cropping pepper at karst yellow soil region in Southwest China. FRONTIERS IN PLANT SCIENCE 2023; 14:1238663. [PMID: 37799545 PMCID: PMC10548120 DOI: 10.3389/fpls.2023.1238663] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 06/12/2023] [Accepted: 09/04/2023] [Indexed: 10/07/2023]
Abstract
Recently, biochar (B) and vermicompost (V) have been widely used as amendments to improve crop productivity and soil quality. However, the ameliorative effects of biochar and vermicompost on the continuous cropping of pepper under open-air conditions, particularly in the karst areas of southwestern China, remain unclear. A field experiment was conducted to study the effects of biochar and vermicompost application, alone or in combination, on the yield, quality, nutrient accumulation, fertilizer utilization, and economic benefits of continuous pepper cropping from 2021 to 2022. The experiment included six treatments: CK (no fertilizer), TF (traditional fertilization of local farmers), TFB (TF combined with biochar of 3000 kg·ha-1), TFV (TF combined with vermicompost of 3000 kg·ha-1), TFBV1 (TF combined with biochar of 1500 kg·ha-1 and vermicompost of 1500 kg·ha-1), and TFBV2 (TF combined with biochar of 3000 kg·ha-1 and vermicompost of 3000 kg·ha-1). Compared with the TF treatment, biochar and vermicompost application alone or in combination increased the yield of fresh pod pepper by 24.38-50.03% and 31.61-88.92% in 2021 and 2022, respectively, whereas the yield of dry pod pepper increased by 14.69-40.63% and 21.44-73.29% in 2021 and 2022, respectively. The application of biochar and vermicompost reduced the nitrate content and increased the vitamin C (VC) and soluble sugar content of the fruits, which is beneficial for improving their quality. Biochar and vermicompost application alone or in combination not only increased nutrient uptake but also significantly improved agronomic efficiency (AE) and recovery efficiency (RE). In addition, although the application of biochar or vermicompost increased production costs, the increase in yield improved net income (ranging from 0.77 to 22.34% in 2021 and 8.82 to 59.96% in 2022), particularly in the TFBV2 treatment. In conclusion, the use of biochar and vermicompost amendments had a positive effect on the productivity and economic benefits of continuous pepper cropping, and the co-application of biochar and vermicompost could be an effective nutrient management strategy for the continuous cropping of pepper in the karst mountain areas of southwest China.
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Affiliation(s)
- Meng Zhang
- Institute of Soil and Fertilizer, Guizhou Academy of Agricultural Sciences, Guiyang, China
| | - Yanling Liu
- Institute of Soil and Fertilizer, Guizhou Academy of Agricultural Sciences, Guiyang, China
| | - Quanquan Wei
- Institute of Soil and Fertilizer, Guizhou Academy of Agricultural Sciences, Guiyang, China
| | - Lingling Liu
- Institute of Soil and Fertilizer, Guizhou Academy of Agricultural Sciences, Guiyang, China
| | - Xiaofeng Gu
- Institute of Soil and Fertilizer, Guizhou Academy of Agricultural Sciences, Guiyang, China
| | - Jiulan Gou
- Institute of Soil and Fertilizer, Guizhou Academy of Agricultural Sciences, Guiyang, China
| | - Ming Wang
- College of Eco-Environmental Engineering, Guizhou Minzu University, Guiyang, China
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Qiu H, Liu J, Boorboori MR, Li D, Chen S, Ma X, Cheng P, Zhang H. Effect of biochar application rate on changes in soil labile organic carbon fractions and the association between bacterial community assembly and carbon metabolism with time. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 855:158876. [PMID: 36152866 DOI: 10.1016/j.scitotenv.2022.158876] [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: 05/26/2022] [Revised: 09/14/2022] [Accepted: 09/15/2022] [Indexed: 06/16/2023]
Abstract
Biochar aging affects the stability of soil carbon. Analyzing the effect of biochar on soil organic carbon (SOC) forms and their relations with microbial community assembly and carbon metabolism with time is helpful for soil carbon sequestration (by adapting the farm management approach). Four treatments with no, low, medium, and high biochar application rates (0 %, 1 %, 2 %, and 4 % of the total dry weight of topsoil before winter wheat planting, abbreviated as control, LB, MB, and HB, respectively) were conducted in the field. The SOC and particulate organic carbon positively correlated with the biochar application rate. Biochar decreased readily oxidizable carbon (P < 0.05) after 8 months of application compared to the control; however, the difference disappeared with time. Biochar increased dissolved organic carbon (DOC) but had no effect on water- soluble organic carbon (WSOC); DOC and WSOC decreased with time. Furthermore, LB and HB stabilized the bacterial alpha diversities with time. Based on high-throughput sequencing, HB reduced the relative abundance of Actinobacteriota but increased that of Acidobacteria (P < 0.05) after 12 months of biochar application. Time-wise, the bacterial community assembly was determined by deterministic processes that were significantly affected by the available nitrogen, DOC, or WSOC. Compared with the control, biochar decreased bacterial links and improved bacterial metabolism of phenolic acids and polymers with time, as evidenced by Biolog EcoPlates. Structural equation modeling revealed that the contribution of bacterial assembly processes to carbon metabolism changed with time. Microbial carbon metabolism was most positively influenced by differences in the composition of bacterial specialists. These findings reinforced that changes in soil labile organic carbon were time-dependent but not necessarilty affected by the biochar application rate.
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Affiliation(s)
- Husen Qiu
- School of Environment and Surveying Engineering, Suzhou University, Suzhou 234000, China; Research Center of Non-point Source Pollution Control and Ecological Remediation of Tuohe River Basin, Suzhou University, Suzhou 234000, China
| | - Jieyun Liu
- School of Environment and Surveying Engineering, Suzhou University, Suzhou 234000, China; Research Center of Non-point Source Pollution Control and Ecological Remediation of Tuohe River Basin, Suzhou University, Suzhou 234000, China.
| | - Mohammad Reza Boorboori
- School of Environment and Surveying Engineering, Suzhou University, Suzhou 234000, China; Research Center of Non-point Source Pollution Control and Ecological Remediation of Tuohe River Basin, Suzhou University, Suzhou 234000, China
| | - De Li
- Suzhou Meteorological Bureau of Anhui, Suzhou 234000, China
| | - Sheng Chen
- School of Environment and Surveying Engineering, Suzhou University, Suzhou 234000, China
| | - Xun Ma
- School of Environment and Surveying Engineering, Suzhou University, Suzhou 234000, China
| | - Peng Cheng
- School of Environment and Surveying Engineering, Suzhou University, Suzhou 234000, China
| | - Haiyang Zhang
- School of Environment and Surveying Engineering, Suzhou University, Suzhou 234000, China; Research Center of Non-point Source Pollution Control and Ecological Remediation of Tuohe River Basin, Suzhou University, Suzhou 234000, China
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Zhou R, Li Y, Xiao S, Liu X, Liu C, Cheng G, Zhang W, Lu S. Ecophysiological characterization of a nitrite-oxidizing bacterial culture from a freshwater aquaculture pond. BIOTECHNOL BIOTEC EQ 2022. [DOI: 10.1080/13102818.2022.2144448] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Affiliation(s)
- Runfeng Zhou
- College of Fisheries and Life Science, Shanghai Ocean University, Shanghai, PR China
- Fishery Machinery and Instrument Research Institute, Chinese Academy of Fishery Sciences, Shanghai, PR China
- Key Laboratory of Aquaculture Facilities Engineering, Ministry of Agriculture and Rural Affairs , Shanghai, PR China
| | - Yayuan Li
- College of Fisheries and Life Science, Shanghai Ocean University, Shanghai, PR China
- Fishery Machinery and Instrument Research Institute, Chinese Academy of Fishery Sciences, Shanghai, PR China
- Key Laboratory of Aquaculture Facilities Engineering, Ministry of Agriculture and Rural Affairs , Shanghai, PR China
| | - Shuwen Xiao
- College of Fisheries and Life Science, Shanghai Ocean University, Shanghai, PR China
- Fishery Machinery and Instrument Research Institute, Chinese Academy of Fishery Sciences, Shanghai, PR China
- Key Laboratory of Aquaculture Facilities Engineering, Ministry of Agriculture and Rural Affairs , Shanghai, PR China
| | - Xingguo Liu
- Fishery Machinery and Instrument Research Institute, Chinese Academy of Fishery Sciences, Shanghai, PR China
- Key Laboratory of Aquaculture Facilities Engineering, Ministry of Agriculture and Rural Affairs , Shanghai, PR China
| | - Chong Liu
- Fishery Machinery and Instrument Research Institute, Chinese Academy of Fishery Sciences, Shanghai, PR China
- Key Laboratory of Aquaculture Facilities Engineering, Ministry of Agriculture and Rural Affairs , Shanghai, PR China
| | - Guofeng Cheng
- Fishery Machinery and Instrument Research Institute, Chinese Academy of Fishery Sciences, Shanghai, PR China
- Key Laboratory of Aquaculture Facilities Engineering, Ministry of Agriculture and Rural Affairs , Shanghai, PR China
| | - Wang Zhang
- College of Fisheries and Life Science, Shanghai Ocean University, Shanghai, PR China
- Fishery Machinery and Instrument Research Institute, Chinese Academy of Fishery Sciences, Shanghai, PR China
- Key Laboratory of Aquaculture Facilities Engineering, Ministry of Agriculture and Rural Affairs , Shanghai, PR China
| | - Shimin Lu
- Fishery Machinery and Instrument Research Institute, Chinese Academy of Fishery Sciences, Shanghai, PR China
- Key Laboratory of Aquaculture Facilities Engineering, Ministry of Agriculture and Rural Affairs , Shanghai, PR China
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Nitrogen Reduction Combined with Organic Materials Can Stabilize Crop Yield and Soil Nutrients in Winter Rapeseed and Maize Rotation in Yellow Soil. SUSTAINABILITY 2022. [DOI: 10.3390/su14127183] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/10/2022]
Abstract
Objective: To investigate the effect of nitrogen reduction combined with organic materials on crop growth of winter rapeseed and maize rotation in yellow soil. Methods: A 2-year, four-season winter rapeseed and maize rotation experiment using three organic materials (biochar (B), commercial organic fertilizer (O) and straw (S), 3000 kg·hm−2) and three nitrogen application rates (100%, 85% and 70%) was carried out from 2018 to 2020 in Guizhou Province, China. By comprehensively analyzing the crop yield, biomass and nutrient absorption, soil nutrients indicators, and the efficiency of nitrogen fertilizer was calculated. Results: All organic materials could increase the yield of both crops, and 100% N + O treatment was the best, and the 2-year winter rapeseed and maize yields reached 3069 kg·hm−2, 3215 kg·hm−2 and 11,802 kg·hm−2, 11,912 kg·hm−2, respectively. When nitrogen application was reduced by 15%, the addition of the three organic materials could stabilize or increase the yield and biomass, and nitrogen, phosphorus and potassium absorption in both crops showed an increasing trend, which could improve or maintain soil nutrients. When nitrogen application was reduced by 30%, the yields of two crops with organic materials addition were lower than those of 100% N treatment. Through the interaction, it was found that nitrogen and organic material were the main reasons for the increase in yield, respectively. Conclusions: The addition of three organic materials can replace 15% of nitrogen fertilizer. It is recommended to apply 153.0 kg·hm−2 and 127.5 kg·hm−2 of nitrogen fertilizer in winter rapeseed and maize seasons, respectively, in the rotation area of Guizhou yellow soil, with the addition of 3000 kg·hm−2 organic materials, most appropriately commercial organic fertilizer.
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