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Wei L, Zhou Y, Yin G, Cui J, Yin J, Liu R, Chen Q, Zhang S. Ammonium addition reduces phosphorus leaching in a long-term mineral or organic fertilized calcareous soil during flooding conditions. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2024; 360:121167. [PMID: 38749136 DOI: 10.1016/j.jenvman.2024.121167] [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: 01/31/2024] [Revised: 04/19/2024] [Accepted: 05/10/2024] [Indexed: 06/05/2024]
Abstract
Organic amendment substitutes mineral fertilizers has been proven to increase the organic matter content of soils, which in turn may induce phosphorus (P) mobilization by triggering the redox reaction. However, under flooded conditions according to local agricultural practices, as one of the factors restricting the decomposition of organic matter, the role ammonium plays in P transformation and leaching from soils with different organic matter remains unclear. To address the knowledge gap, the calcareous soils were collected from a long-term field trial (>13 years) containing two treatments with equal P inputs: a long-term mineral fertilization and a long-term organic amendment. Both long-term mineral fertilized soil and long-term organic amended soil were split into ammonium applications or no ammonium applications. A series of column devices were deployed to create flooded conditions and monitor the P leaching from the collected soils. The K-edge X-ray absorption near-edge structure and sequential extraction method were employed jointly to detect soil P fractions and speciation, and the P sorption/desorption characteristics of soil were evaluated by Langmuir fitting. The results showed a reduction of cumulative leached P from soils by 33.2%-43.3% after ammonium addition, regardless of previous long-term mineral fertilization or organic amendment history. A significant enhancement of soil labile P pool (indicated by the H2O-P fraction and NaHCO3-P fraction) after ammonium addition results in the reduction in soil P leaching. The reduced P sorption capacity coupled with the transformation from hydroxyapatite to β-tricalcium phosphate indicated that the phosphate retention is attributed to the precipitation formation rather than phosphate sorption by soil. The present study highlights that the ammonium addition could affect the phosphate precipitation transformation. This may be attributed to the effect of ammonium addition on the calcium and magnesium ion content and molar ratio in this soil, thereby regulating the form of soil phosphate precipitation. The mechanisms revealed in this study can support developing optimized agricultural management practices to alleviate soil P loss.
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Affiliation(s)
- Lulu Wei
- Beijing Key Laboratory of Farmland Soil Pollution Prevention-Control and Remediation, College of Resources and Environmental Sciences, China Agricultural University, No. 2 Yuanmingyuan Xilu, Haidian, Beijing, 100193, PR China
| | - Yan Zhou
- Beijing Key Laboratory of Farmland Soil Pollution Prevention-Control and Remediation, College of Resources and Environmental Sciences, China Agricultural University, No. 2 Yuanmingyuan Xilu, Haidian, Beijing, 100193, PR China
| | - Guiming Yin
- Beijing Key Laboratory of Farmland Soil Pollution Prevention-Control and Remediation, College of Resources and Environmental Sciences, China Agricultural University, No. 2 Yuanmingyuan Xilu, Haidian, Beijing, 100193, PR China
| | - Jianyu Cui
- Beijing Key Laboratory of Farmland Soil Pollution Prevention-Control and Remediation, College of Resources and Environmental Sciences, China Agricultural University, No. 2 Yuanmingyuan Xilu, Haidian, Beijing, 100193, PR China
| | - Junhui Yin
- School of Agriculture, Sun Yat-sen University, Shenzhen, 518107, PR China
| | - Rui Liu
- Beijing Key Laboratory of Farmland Soil Pollution Prevention-Control and Remediation, College of Resources and Environmental Sciences, China Agricultural University, No. 2 Yuanmingyuan Xilu, Haidian, Beijing, 100193, PR China
| | - Qing Chen
- Beijing Key Laboratory of Farmland Soil Pollution Prevention-Control and Remediation, College of Resources and Environmental Sciences, China Agricultural University, No. 2 Yuanmingyuan Xilu, Haidian, Beijing, 100193, PR China.
| | - Shuai Zhang
- Beijing Key Laboratory of Farmland Soil Pollution Prevention-Control and Remediation, College of Resources and Environmental Sciences, China Agricultural University, No. 2 Yuanmingyuan Xilu, Haidian, Beijing, 100193, PR China; Key Laboratory of Arable Land Quality Monitoring and Evaluation, State Key Laboratory of Efficient Utilization of Arid and Semi-Arid Arable Land in Northern China, Ministry of Agriculture and Rural Affairs, Institute of Agricultural Resources and Regional Planning, Chinese Academy of Agricultural Sciences (CAAS), Beijing, 100081, PR China.
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Zhang L, Yang Y, Li Z, Li FM, Huang J, Zhang F. Identifying synergistic solutions for the food-energy-water nexus via plastic film mulching cultivation. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 920:171046. [PMID: 38369151 DOI: 10.1016/j.scitotenv.2024.171046] [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: 10/19/2023] [Revised: 01/09/2024] [Accepted: 02/15/2024] [Indexed: 02/20/2024]
Abstract
Food security, water scarcity, and excessive fossil energy use pose considerable challenges to sustainable agriculture. To understand how rain-fed farming systems on the Loess Plateau, China, reconcile yield increases with ecological conservation, we conducted an integrated evaluation based on the denitrification-decomposition (DNDC) model, agricultural statistics data using the Food-Energy-Water (FEW) nexus indicator. The results showed that maize yields with ridge-furrow plastic film mulching (PFM) were 3479, 8942, and 11,124 kg ha-1 under low (50 kg N ha-1), medium (200 kg N ha-1), and high (350 kg N ha-1) nitrogen (N) fertilizer rates, respectively, and that PFM increased yield and water use efficiency (WUE) by 110-253 % and 166-205 % compared to using no mulching (control, CK), respectively. Plastic film mulching also increased net energy (126-436 %), energy use efficiency (81-578 %), energy productivity (100-670 %), and energy profitability (126-994 %), and nitrogen fertilizer, compound fertilizer, and diesel fuel consumption by agricultural machinery were the main energy inputs. The PFM system reduced water consumption during the maize growing season and the green water footprint and gray water footprint decreased by 66-74 % and 44-68 %, respectively. The FEW nexus indicator, based on a high production at low environmental cost scenario, was greater under the PFM system and had the widest spatial distribution area at the medium-N application rate. Among the environmental factors, the nexus indicator was negatively correlated with precipitation (-0.37), air temperature (-0.36), and the aridity index (-0.36), but positively correlated with elevation (0.17). Our results suggest that the PFM system promotes resource-saving while increasing yields and moves dryland agriculture in an environmentally friendly direction, thus promoting the sustainable development of agroecosystems.
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Affiliation(s)
- Li Zhang
- Jiangsu Key Laboratory of Crop Genetics and Physiology/Jiangsu Key Laboratory of Crop Cultivation and Physiology, Agricultural College of Yangzhou University, Yangzhou 225009, China; Jiangsu Co-Innovation Center for Modern Production Technology of Grain Crops, Yangzhou University, Yangzhou 225009, China; Research Institute of Rice Industrial Engineering Technology, Yangzhou University, Yangzhou 225009, China; State Key Laboratory of Herbage Improvement and Grassland Agroecosystems, College of Ecology, Lanzhou University, Lanzhou, Gansu 730000, China
| | - Yifan Yang
- State Key Laboratory of Herbage Improvement and Grassland Agroecosystems, College of Ecology, Lanzhou University, Lanzhou, Gansu 730000, China
| | - Zhansheng Li
- Asia Hub, Sanya Institute of Nanjing Agricultural University, Sanya, Hainan 572000, China
| | - Feng-Min Li
- State Key Laboratory of Herbage Improvement and Grassland Agroecosystems, College of Ecology, Lanzhou University, Lanzhou, Gansu 730000, China
| | - Jie Huang
- Animal Husbandry, Pasture and Green Agriculture Institute, Gansu Academy of Agricultural Sciences, Lanzhou 730070, China.
| | - Feng Zhang
- State Key Laboratory of Herbage Improvement and Grassland Agroecosystems, College of Ecology, Lanzhou University, Lanzhou, Gansu 730000, China.
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Ye C, Li N, Gui J, Zhu M, Zhou Y, Li D, Jiao K, Griffiths BS, Hu S, Liu M. Long-term organic amendments increase the vulnerability of microbial respiration to environmental changes: Evidence from field and laboratory studies. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 920:170979. [PMID: 38367727 DOI: 10.1016/j.scitotenv.2024.170979] [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: 11/30/2023] [Revised: 01/23/2024] [Accepted: 02/13/2024] [Indexed: 02/19/2024]
Abstract
Organic amendments can improve soil fertility and microbial diversity, making agroecosystems more resilient to stress. However, it is uncertain whether organic amendments will enhance the functional capacity of soil microbial communities, thereby mitigating fluctuations in microbial respiration caused by environmental changes. Here, we examined the impacts of long-term organic amendments on the dynamics of microbial catabolic capacity (characterized by enzyme activities and carbon source utilization) and microbial respiration, as well as their interrelationships during a period with fluctuating temperature and rainfall in the field. We then subjected the field soil samples to laboratory heating disturbances to further evaluate the importance of microbial catabolic capacity in explaining patterns of microbial respiration. In both field and laboratory experiments, organic amendments tended to increase the stability of microbial catabolic capacity, but significantly increased the vulnerability of microbial respiration to environmental changes. However, the direction and driving factors of microbial respiration affected by environmental changes differed between the field and laboratory experiments. Environmental changes in the field suppressed the promotional effects of organic amendments on microbial respiration mainly through reducing microbial catabolic capacity, while laboratory heating further enhanced microbial respiration mainly due to increased soil resource availability. Together, these findings suggest that increased microbial respiration variations under organic amendments may potentially increase the uncertainty in predicting soil carbon emissions in the scenario of ongoing climate/anthropogenic changes, and highlight the necessity of linking laboratory studies on environmental changes to field conditions.
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Affiliation(s)
- Chenglong Ye
- College of Resources and Environmental Sciences, Nanjing Agricultural University, Nanjing 210095, China
| | - Na Li
- College of Resources and Environmental Sciences, Nanjing Agricultural University, Nanjing 210095, China
| | - Juan Gui
- College of Resources and Environmental Sciences, Nanjing Agricultural University, Nanjing 210095, China
| | - Mengyi Zhu
- College of Resources and Environmental Sciences, Nanjing Agricultural University, Nanjing 210095, China
| | - Yan Zhou
- College of Resources and Environmental Sciences, Nanjing Agricultural University, Nanjing 210095, China
| | - Daming Li
- Jiangxi Institute of Red Soil & Germplasm Resources, Nanchang 331717, China
| | - Kuihu Jiao
- College of Resources and Environmental Sciences, Nanjing Agricultural University, Nanjing 210095, China
| | - Bryan S Griffiths
- SRUC, Crop & Soil System Research Group, Edinburgh EH9 3JG, United Kingdom
| | - Shuijin Hu
- Department of Entomology & Plant Pathology, North Carolina State University, Raleigh 27695, USA
| | - Manqiang Liu
- Centre for Grassland Microbiome, State Key Laboratory of Herbage Improvement and Grassland Agro-Ecosystems, College of Pastoral Agriculture Science and Technology, Lanzhou University, Lanzhou 730020, China.
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Li S, Lu H, Li X, Shao Y, Tang Y, Chen G, Chen Z, Zhu Z, Zhu J, Tang L, Liang J. Toward Low-Carbon Rice Production in China: Historical Changes, Driving Factors, and Mitigation Potential. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2024; 58:5772-5783. [PMID: 38502924 DOI: 10.1021/acs.est.4c00539] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/21/2024]
Abstract
Under the "Double Carbon" target, the development of low-carbon agriculture requires a holistic comprehension of spatially and temporally explicit greenhouse gas (GHG) emissions associated with agricultural products. However, the lack of systematic evaluation at a fine scale presents considerable challenges in guiding localized strategies for mitigating GHG emissions from crop production. Here, we analyzed the county-level carbon footprint (CF) of China's rice production from 2007 to 2018 by coupling life cycle assessment and the DNDC model. Results revealed a significant annual increase of 74.3 kg CO2-eq ha-1 in the average farm-based CF (FCF), while it remained stable for the product-based CF (PCF). The CF exhibited considerable variations among counties, ranging from 2324 to 20,768 kg CO2-eq ha-1 for FCF and from 0.36 to 3.81 kg CO2-eq kg-1 for PCF in 2018. The spatiotemporal heterogeneities of FCF were predominantly influenced by field CH4 emissions, followed by diesel consumption and soil organic carbon sequestration. Scenario analysis elucidates that the national total GHG emissions from rice production could be significantly reduced through optimized irrigation (48.5%) and straw-based biogas production (18.0%). Moreover, integrating additional strategies (e.g., advanced crop management, optimized fertilization, and biodiesel application) could amplify the overall emission reduction to 76.7% while concurrently boosting the rice yield by 11.8%. Our county-level research provides valuable insights for the formulation of targeted GHG mitigation policies in rice production, thereby advancing the pursuit of carbon-neutral agricultural practices.
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Affiliation(s)
- Shuai Li
- College of Environmental Science and Engineering, Hunan University, Changsha 410082, P. R. China
| | - Hongwei Lu
- Key Laboratory of Water Cycle and Related Land Surface Process, Institute of Geographic Science and Natural Resources Research, Chinese Academy of Sciences, Beijing 100101, China
| | - Xiaodong Li
- College of Environmental Science and Engineering, Hunan University, Changsha 410082, P. R. China
| | - Yanan Shao
- College of Environmental Science and Engineering, Hunan University, Changsha 410082, P. R. China
| | - Yifan Tang
- College of Environmental Science and Engineering, Hunan University, Changsha 410082, P. R. China
| | - Gaojie Chen
- College of Mathematics and Econometrics, Hunan University, Changsha 410082, P. R. China
| | - Zuo Chen
- College of Information Science and Technology, Hunan University, Changsha 410082, P. R. China
| | - Ziqian Zhu
- College of Environmental Science and Engineering, Hunan University, Changsha 410082, P. R. China
| | - Jiesong Zhu
- College of Environmental Science and Engineering, Hunan University, Changsha 410082, P. R. China
| | - Lin Tang
- College of Environmental Science and Engineering, Hunan University, Changsha 410082, P. R. China
| | - Jie Liang
- College of Environmental Science and Engineering, Hunan University, Changsha 410082, P. R. China
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Chen B, Guo L, Tang J, Li Y, Li C. Comprehensive impacts of different integrated rice-animal co-culture systems on rice yield, nitrogen fertilizer partial factor productivity and nitrogen losses: A global meta-analysis. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 915:169994. [PMID: 38232823 DOI: 10.1016/j.scitotenv.2024.169994] [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: 10/12/2023] [Revised: 12/28/2023] [Accepted: 01/05/2024] [Indexed: 01/19/2024]
Abstract
Integrated rice-animal co-culture (IRAC) is an ecological agricultural system combining rice cultivation with animal farming, which holds significant implications for food security and agriculture sustainable development. However, the comprehensive impacts of the co-culture on rice yield, nitrogen (N) losses, and N fertilizer partial factor productivity (NPFP) remain elusive and may vary under different environmental conditions and N management. Here, we conducted a meta-analysis of data from various IRAC systems on a global scale, including 371, 298, and 115 sets of data for rice yield, NPFP, and N losses, respectively. The results showed that IRAC could significantly increase rice yield (by 3.47 %) and NPFP (by 4.26 %), and reduce N2O emissions (by 16.69 %), NH3 volatilization (by 11.03 %), N runoff (by 17.72 %), and N leaching (by 19.10 %). Furthermore, there were significant differences in rice yield, NPFP, and N loss among different IRAC systems, which may be ascribed to variations in regional climate, soil variables, and N fertilizer management practices. The effect sizes of rice yield and NPFP were notably correlated with the rate and frequency of N application and the soil clay content. Moreover, a higher amount of precipitation corresponded to a larger effect size on rice NPFP. N2O emissions were closely associated with mean annual air temperature, annual precipitation, N application frequency, soil pH level, soil organic matter content, soil clay content, and soil bulk density. However, NH3 volatilization, N runoff, and N leaching exhibited no correlation with either the environmental conditions or the N management. Multivariate regression analysis further demonstrated that the soil clay content and N application rate are pivotal in predicting the effect sizes of rice yield, NPFP, and N2O emissions under IRAC. Specifically, IRAC with a low N application rate in soils with a high clay content could augment the effect size to increase rice NPFP and yield and reduce N2O emissions. In conclusion, IRAC offers a potent strategy to optimize rice yield and NPFP as well as mitigate N losses.
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Affiliation(s)
- Binpeng Chen
- 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, PR China
| | - Lijin Guo
- International Magnesium Institute, College of Resources and Environment, Fujian Agriculture and Forestry University, Fuzhou 3550002, PR China
| | - Jichao Tang
- 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, PR China
| | - Yanshi 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, PR China
| | - Chengfang 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, PR China.
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Liu B, Guo C, Xu J, Zhao Q, Chadwick D, Gao X, Zhou F, Lakshmanan P, Wang X, Guan X, Zhao H, Fang L, Li S, Bai Z, Ma L, Chen X, Cui Z, Shi X, Zhang F, Chen X, Li Z. Co-benefits for net carbon emissions and rice yields through improved management of organic nitrogen and water. NATURE FOOD 2024; 5:241-250. [PMID: 38486125 DOI: 10.1038/s43016-024-00940-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/09/2022] [Accepted: 02/12/2024] [Indexed: 03/17/2024]
Abstract
Returning organic nutrient sources (for example, straw and manure) to rice fields is inevitable for coupling crop-livestock production. However, an accurate estimate of net carbon (C) emissions and strategies to mitigate the abundant methane (CH4) emission from rice fields supplied with organic sources remain unclear. Here, using machine learning and a global dataset, we scaled the field findings up to worldwide rice fields to reconcile rice yields and net C emissions. An optimal organic nitrogen (N) management was developed considering total N input, type of organic N source and organic N proportion. A combination of optimal organic N management with intermittent flooding achieved a 21% reduction in net global warming potential and a 9% rise in global rice production compared with the business-as-usual scenario. Our study provides a solution for recycling organic N sources towards a more productive, carbon-neutral and sustainable rice-livestock production system on a global scale.
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Affiliation(s)
- Bin Liu
- College of Resources and Environment, Academy of Agricultural Sciences, Southwest University, Chongqing, People's Republic of China
- Interdisciplinary Research Center for Agriculture Green Development in Yangtze River Basin, Southwest University, Chongqing, People's Republic of China
- College of Resources and Environmental Sciences, National Academy of Agriculture Green Development, Key Laboratory of Plant-Soil Interactions, Ministry of Education, State Key Laboratory of Nutrient Use and Management, China Agricultural University, Beijing, People's Republic of China
| | - Chaoyi Guo
- College of Resources and Environment, Academy of Agricultural Sciences, Southwest University, Chongqing, People's Republic of China
- Interdisciplinary Research Center for Agriculture Green Development in Yangtze River Basin, Southwest University, Chongqing, People's Republic of China
| | - Jie Xu
- College of Resources and Environment, Academy of Agricultural Sciences, Southwest University, Chongqing, People's Republic of China
- Interdisciplinary Research Center for Agriculture Green Development in Yangtze River Basin, Southwest University, Chongqing, People's Republic of China
| | - Qingyue Zhao
- College of Resources and Environmental Sciences, National Academy of Agriculture Green Development, Key Laboratory of Plant-Soil Interactions, Ministry of Education, State Key Laboratory of Nutrient Use and Management, China Agricultural University, Beijing, People's Republic of China
| | - David Chadwick
- School of Natural Sciences, Bangor University, Bangor, UK
| | - Xiaopeng Gao
- Department of Soil Science, University of Manitoba, Winnipeg, Manitoba, Canada
| | - Feng Zhou
- Sino-France Institute of Earth Systems Science, Laboratory for Earth Surface Processes, College of Urban and Environmental Sciences, Peking University, Beijing, People's Republic of China
| | - Prakash Lakshmanan
- Interdisciplinary Research Center for Agriculture Green Development in Yangtze River Basin, Southwest University, Chongqing, People's Republic of China
- Key Laboratory of Sugarcane Biotechnology and Genetic Improvement (Guangxi), Ministry of Agriculture and Rural Affairs, Guangxi Key Laboratory of Sugarcane Genetic Improvement, Sugarcane Research Institute, Guangxi Academy of Agricultural Sciences, Nanning, People's Republic of China
- Queensland Alliance for Agriculture and Food Innovation, University of Queensland, St Lucia, Queensland, Australia
| | - Xiaozhong Wang
- College of Resources and Environment, Academy of Agricultural Sciences, Southwest University, Chongqing, People's Republic of China
- Interdisciplinary Research Center for Agriculture Green Development in Yangtze River Basin, Southwest University, Chongqing, People's Republic of China
| | - Xilin Guan
- College of Resources and Environmental Sciences, National Academy of Agriculture Green Development, Key Laboratory of Plant-Soil Interactions, Ministry of Education, State Key Laboratory of Nutrient Use and Management, China Agricultural University, Beijing, People's Republic of China
| | - Huanyu Zhao
- College of Resources and Environment, Academy of Agricultural Sciences, Southwest University, Chongqing, People's Republic of China
- Interdisciplinary Research Center for Agriculture Green Development in Yangtze River Basin, Southwest University, Chongqing, People's Republic of China
| | - Linfa Fang
- College of Resources and Environment, Academy of Agricultural Sciences, Southwest University, Chongqing, People's Republic of China
- Interdisciplinary Research Center for Agriculture Green Development in Yangtze River Basin, Southwest University, Chongqing, People's Republic of China
| | - Shiyang Li
- Interdisciplinary Research Center for Agriculture Green Development in Yangtze River Basin, Southwest University, Chongqing, People's Republic of China
| | - Zhaohai Bai
- Key Laboratory of Agricultural Water Resources, Center for Agricultural Resources Research, Institute of Genetic and Developmental Biology, The Chinese Academy of Sciences, Shijiazhuang, People's Republic of China
| | - Lin Ma
- Interdisciplinary Research Center for Agriculture Green Development in Yangtze River Basin, Southwest University, Chongqing, People's Republic of China
- Key Laboratory of Agricultural Water Resources, Center for Agricultural Resources Research, Institute of Genetic and Developmental Biology, The Chinese Academy of Sciences, Shijiazhuang, People's Republic of China
| | - Xuanjing Chen
- College of Resources and Environmental Sciences, National Academy of Agriculture Green Development, Key Laboratory of Plant-Soil Interactions, Ministry of Education, State Key Laboratory of Nutrient Use and Management, China Agricultural University, Beijing, People's Republic of China
| | - Zhenling Cui
- College of Resources and Environmental Sciences, National Academy of Agriculture Green Development, Key Laboratory of Plant-Soil Interactions, Ministry of Education, State Key Laboratory of Nutrient Use and Management, China Agricultural University, Beijing, People's Republic of China
| | - Xiaojun Shi
- College of Resources and Environment, Academy of Agricultural Sciences, Southwest University, Chongqing, People's Republic of China
- Interdisciplinary Research Center for Agriculture Green Development in Yangtze River Basin, Southwest University, Chongqing, People's Republic of China
| | - Fusuo Zhang
- Interdisciplinary Research Center for Agriculture Green Development in Yangtze River Basin, Southwest University, Chongqing, People's Republic of China
- College of Resources and Environmental Sciences, National Academy of Agriculture Green Development, Key Laboratory of Plant-Soil Interactions, Ministry of Education, State Key Laboratory of Nutrient Use and Management, China Agricultural University, Beijing, People's Republic of China
| | - Xinping Chen
- College of Resources and Environment, Academy of Agricultural Sciences, Southwest University, Chongqing, People's Republic of China.
- Interdisciplinary Research Center for Agriculture Green Development in Yangtze River Basin, Southwest University, Chongqing, People's Republic of China.
- Key Laboratory of Low-Carbon Green Agriculture in Southwestern China, Ministry of Agriculture and Rural Affairs, Chongqing, People's Republic of China.
| | - Zhaolei Li
- College of Resources and Environment, Academy of Agricultural Sciences, Southwest University, Chongqing, People's Republic of China.
- Interdisciplinary Research Center for Agriculture Green Development in Yangtze River Basin, Southwest University, Chongqing, People's Republic of China.
- Key Laboratory of Low-Carbon Green Agriculture in Southwestern China, Ministry of Agriculture and Rural Affairs, Chongqing, People's Republic of China.
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Zhang F, Song Q, Ma T, Gao N, Han X, Shen Y, Yue S, Li S. Long-term maintenance of high yield and soil fertility with integrated soil-crop system management on the Loess Plateau. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2024; 351:119687. [PMID: 38061097 DOI: 10.1016/j.jenvman.2023.119687] [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: 08/01/2023] [Revised: 11/14/2023] [Accepted: 11/21/2023] [Indexed: 01/14/2024]
Abstract
Ridge-furrow with full film mulching has been widely applied to increase crop yield and water productivity on the Loess Plateau, but it may stimulate carbon (C) mineralization. How to integrate other technological benefits based on this technology for long-term maintenance of high yield and soil fertility is a pressing issue. With the local farmers' practice (FP) as a control, three integrated soil-crop system management (ISSM) practices integrating fertilizer rates, fertilizer types and planting densities (ISSM-N1, ISSM-N2 and ISSM-MN) were established to improve maize yield and soil quality. Compared with the FP, the maize yield increased by 13.34%, 21.83% and 30.24%, and the soil quality index (SQI) increased by 9.66%, 14.91% and 38.38% for ISSM-N1, ISSM-N2 and ISSM-MN, respectively. However, ISSM-N1 did not significantly increase yield, and ISSM-N2 increased residual soil nitrate and decreased nitrogen (N) partial factor productivity significantly. Compared to the FP, ISSM practices increased soil organic carbon (SOC), labile organic C fractions (LOCFs) and potassium permanganate organic C fractions in the topsoil to varying degrees, but only ISSM-MN reached significant levels for most C fractions. The sensitivity index indicated very easily oxidizable C (24.6%), easily oxidizable C (24.7%), hot-water extractable C (30.8%), labile organic C (24.7%) and particulate organic C (57.3%) were more sensitive than SOC (22.7%). ISSM-MN sequestered significantly higher C than the other treatments. The results of the relative importance analysis and the structural equation model indicated that LOCFs were the direct contributors to yield, while recalcitrant C (CO) was the indirect contributor, revealing the underlying mechanism that CO decomposed to replenish LOCFs and the total N pool with the water soluble C pool as the transit station. Overall, ISSM-MN is the most promising strategy to improve crop yield and soil fertility in the long term on the Loess Plateau.
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Affiliation(s)
- Fangfang Zhang
- State Key Laboratory of Soil Erosion and Dryland Farming on the Loess Plateau, College of Natural Resources and Environment, Northwest A&F University, Yangling, 712100, Shaanxi, China; Life Science Department, Luoyang Normal University, Luoyang, 471934, China.
| | - Qilong Song
- State Key Laboratory of Soil Erosion and Dryland Farming on the Loess Plateau, College of Natural Resources and Environment, Northwest A&F University, Yangling, 712100, Shaanxi, China.
| | - Tian Ma
- State Key Laboratory of Soil Erosion and Dryland Farming on the Loess Plateau, College of Natural Resources and Environment, Northwest A&F University, Yangling, 712100, Shaanxi, China.
| | - Na Gao
- Institute of Soil and Water Conservation, Chinese Academy of Sciences and Ministry of Water Resource, Yangling, 712100, Shaanxi, China.
| | - Xinkuan Han
- Life Science Department, Luoyang Normal University, Luoyang, 471934, China.
| | - Yufang Shen
- State Key Laboratory of Soil Erosion and Dryland Farming on the Loess Plateau, College of Natural Resources and Environment, Northwest A&F University, Yangling, 712100, Shaanxi, China.
| | - Shanchao Yue
- State Key Laboratory of Soil Erosion and Dryland Farming on the Loess Plateau, College of Natural Resources and Environment, Northwest A&F University, Yangling, 712100, Shaanxi, China.
| | - Shiqing Li
- State Key Laboratory of Soil Erosion and Dryland Farming on the Loess Plateau, College of Natural Resources and Environment, Northwest A&F University, Yangling, 712100, Shaanxi, China.
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Li B, Guo Y, Liang F, Liu W, Wang Y, Cao W, Song H, Chen J, Guo J. Global integrative meta-analysis of the responses in soil organic carbon stock to biochar amendment. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2024; 351:119745. [PMID: 38061094 DOI: 10.1016/j.jenvman.2023.119745] [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: 07/11/2023] [Revised: 11/13/2023] [Accepted: 11/29/2023] [Indexed: 01/14/2024]
Abstract
Applying biochar to soil has been recognized as a promising practice of climate-smart agriculture, with considerable potential in enhancing soil organic carbon (SOC) sequestration. Previous studies showed that biochar-induced increases in SOC stock varied substantially among experiments, while the explanatory factors responsible for such variability are still not well assessed. Here, we conducted an integrative meta-analysis of the magnitude and efficiency of biochar-induced change in SOC stock, using a database including 476 field measurements at 101 sites across the globe. Biochar amendment increased SOC stock by 6.13 ± 1.62 (95% confidence interval, CI) and 7.01 ± 1.11 (95% CI) Mg C ha-1, respectively, compared to their unfertilized (R0) and mineral nitrogen (N) fertilized (Rn) references. Of which approx. 52% (R0) and 50% (Rn) were contributed directly by biochar-C input. Corresponding biochar carbon efficiencies in R0 and Rn datasets were estimated as 58.20 ± 10.37% and 65.58 ± 9.26% (95% CI), respectively. The change magnitude of SOC stock increased significantly (p < 0.01) with the increasing amount of biochar-C input, while carbon efficiency of biochar showed an opposite trend. Biochar amendment sequestered larger amounts of SOC with higher efficiency in acidic and loamy soils than in alkaline and sandy soils. Biochar amendments with higher C/N ratio caused higher SOC increase than those with lower C/N ratio. Random forest (RF) algorithm showed that accumulative biochar-C input, soil pH, and biochar C/N ratio were the three most-important factors regulating the SOC stock responses. Overall, these results suggest that applying high C/N ratio biochar in acidic soils is a recommendable agricultural practice from the perspective of enhancing organic carbon.
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Affiliation(s)
- Binzhe Li
- College of Resources and Environmental Sciences, China Agricultural University, Beijing, 100193, China
| | - Yanling Guo
- College of Resources and Environmental Sciences, China Agricultural University, Beijing, 100193, China
| | - Fei Liang
- College of Resources and Environmental Sciences, China Agricultural University, Beijing, 100193, China
| | - Wanxin Liu
- College of Resources and Environmental Sciences, China Agricultural University, Beijing, 100193, China
| | - Yajing Wang
- College of Resources and Environment Sciences, Hebei Agricultural University, Baoding, 071001, China
| | - Wenchao Cao
- Weifang University of Science and Technology, Shouguang, 262700, China
| | - He Song
- College of Agronomy, Anhui Agricultural University, Hefei, 230036, China
| | - Jingsheng Chen
- College of Resources and Environmental Sciences, China Agricultural University, Beijing, 100193, China
| | - Jingheng Guo
- College of Resources and Environmental Sciences, China Agricultural University, Beijing, 100193, China.
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9
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Owusu SM, Adomako MO, Qiao H. Organic amendment in climate change mitigation: Challenges in an era of micro- and nanoplastics. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 907:168035. [PMID: 37907110 DOI: 10.1016/j.scitotenv.2023.168035] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/30/2023] [Revised: 10/18/2023] [Accepted: 10/20/2023] [Indexed: 11/02/2023]
Abstract
As a global strategy for mitigating climate change, organic amendments play critical roles in restoring stocks in carbon (C) depleted soils, preserving existing stocks to prevent further soil organic carbon (SOC) loss, and enhancing C sequestration. However, recent emerging evidence of a significant proportion of micro- and nanoplastics (M/NPs) occurrence in most organic substrates (e.g., compost manure, farmyard manure, and sewage sludge) compromises its role in climate change mitigation. Given the predicted surge of soil M/NPs proliferation in the coming years, we argued whether organic amendment remains a reliable climate change mitigation strategy. Toxicity effects of M/NPs influx within the soil matrix disrupt plants and their associated key microbial taxa responsible for crucial biogeochemical processes and restructuring of SOC, leading to increasing emissions of potent greenhouse gases (GHGs, e.g., CO2, CH4, and N2O) that feedback to aggravate the rapidly changing climate. Here, we summarize evidence based on literature that the discovery of M/NPs in organic substrates compromises its role in the climate change mitigation strategy. We briefly discuss the overview of synthetic fertilizers and their impact on SOC and atmospheric emissions. We discuss the role of organic amends in climate change mitigation and the emergence of M/NPs in it. We discuss M/NPs-induced damages to SOC and subsequent emissions of GHGs. We briefly highlight management approaches to clean organic substrates of M/NPs to improve their use in agrosystems and provide recommendations for future research studies. We found that organic amendment plays pivotal role in modulating the biotic and abiotic drivers responsible for climate mitigation. However, M/NPs in organic amendments weaken the regulatory mechanisms of organic amendments in plant-soil systems. We conclude that organic amendments of soils are critical for restoring SOC and mitigating the rapidly changing climate; yet, the discovery of M/NPs in organic substrates put their usage in a dilemma.
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Affiliation(s)
- Samuel Mensah Owusu
- Schoo of Business, Jinggangshan University, Qingyuan District, Ji'an City 343009, Jiangxi, China.
| | - Michael Opoku Adomako
- Institute of Wetland Ecology & Clone Ecology/Zhejiang Provincial Key Laboratory of Plant Evolutionary Ecology and Conservation, Taizhou University, Taizhou 318000, Zhejiang, China
| | - Hu Qiao
- Schoo of Business, Jinggangshan University, Qingyuan District, Ji'an City 343009, Jiangxi, China
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10
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Lin BJ, Li RC, Liu KC, Pelumi Oladele O, Xu ZY, Lal R, Zhao X, Zhang HL. Management-induced changes in soil organic carbon and related crop yield dynamics in China's cropland. GLOBAL CHANGE BIOLOGY 2023; 29:3575-3590. [PMID: 37021594 DOI: 10.1111/gcb.16703] [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: 01/20/2023] [Accepted: 02/27/2023] [Indexed: 06/06/2023]
Abstract
Enhancing soil organic carbon (SOC) sequestration and food supply are vital for human survival when facing climate change. Site-specific best management practices (BMPs) are being promoted for adoption globally as solutions. However, how SOC and crop yield are related to each other in responding to BMPs remains unknown. Here, path analysis based on meta-analysis and machine learning was conducted to identify the effects and potential mechanisms of how the relationship between SOC and crop yield responds to site-specific BMPs in China. The results showed that BMPs could significantly enhance SOC and maintain or increase crop yield. The maximum benefits in SOC (30.6%) and crop yield (79.8%) occurred in mineral fertilizer combined with organic inputs (MOF). Specifically, the optimal SOC and crop yield would be achieved when the areas were arid, soil pH was ≥7.3, initial SOC content was ≤10 g kg-1 , duration was >10 years, and the nitrogen (N) input level was 100-200 kg ha-1 . Further analysis revealed that the original SOC level and crop yield change showed an inverted V-shaped structure. The association between the changes in SOC and crop yield might be linked to the positive role of the nutrient-mediated effect. The results generally suggested that improving the SOC can strongly support better crop performance. Limitations in increasing crop yield still exist due to low original SOC level, and in regions where the excessive N inputs, inappropriate tillage or organic input is inadequate and could be diminished by optimizing BMPs in harmony with site-specific conditions.
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Affiliation(s)
- Bai-Jian Lin
- College of Agronomy and Biotechnology, China Agricultural University, Beijing, China
- Key Laboratory of Farming System, Ministry of Agriculture and Rural Affairs of China, Beijing, China
| | - Ruo-Chen Li
- College of Agronomy and Biotechnology, China Agricultural University, Beijing, China
- Key Laboratory of Farming System, Ministry of Agriculture and Rural Affairs of China, Beijing, China
| | - Ke-Chun Liu
- College of Agronomy and Biotechnology, China Agricultural University, Beijing, China
- Key Laboratory of Farming System, Ministry of Agriculture and Rural Affairs of China, Beijing, China
| | - Olatunde Pelumi Oladele
- College of Agronomy and Biotechnology, China Agricultural University, Beijing, China
- Key Laboratory of Farming System, Ministry of Agriculture and Rural Affairs of China, Beijing, China
| | - Zhi-Yu Xu
- Rural Energy and Environment Agency, Ministry of Agriculture and Rural Affairs, Beijing, China
| | - Rattan Lal
- CFAES Rattan Lal Center for Carbon Management and Sequestration, School of Environment and Natural Resources, The Ohio State University, Columbus, Ohio, USA
| | - Xin Zhao
- College of Agronomy and Biotechnology, China Agricultural University, Beijing, China
- Key Laboratory of Farming System, Ministry of Agriculture and Rural Affairs of China, Beijing, China
| | - Hai-Lin Zhang
- College of Agronomy and Biotechnology, China Agricultural University, Beijing, China
- Key Laboratory of Farming System, Ministry of Agriculture and Rural Affairs of China, Beijing, China
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11
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Li B, Liang F, Wang Y, Cao W, Song H, Chen J, Guo J. Magnitude and efficiency of straw return in building up soil organic carbon: A global synthesis integrating the impacts of agricultural managements and environmental conditions. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 875:162670. [PMID: 36894089 DOI: 10.1016/j.scitotenv.2023.162670] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/11/2022] [Revised: 03/02/2023] [Accepted: 03/02/2023] [Indexed: 06/18/2023]
Abstract
Enhancing soil organic carbon (SOC) through straw return (SR) has been widely recommended as a promising practice of climate-smart agriculture. Many studies have investigated the relative effect of straw return on SOC content, while the magnitude and efficiency of straw return in building up SOC stock remain uncertain. Here, we present an integrative synthesis of the magnitude and efficiency of SR-induced SOC changes, using a database comprising 327 observations at 115 sites globally. Straw return increased SOC by 3.68 ± 0.69 (95 % Confidence Interval, CI) Mg C ha-1, with a corresponding C efficiency of 20.51 ± 9.58 % (95 % CI), of which <30 % was contributed directly by straw-C input. The magnitude of SR-induced SOC changes increased (P < 0.05) with increasing straw-C input and experiment duration. However, the C efficiency decreased significantly (P < 0.01) with these two explanatory factors. No-tillage and crop rotation were found to enhance the SR-induced SOC increase, in both magnitude and efficiency. Straw return sequestrated larger amount of C in acidic and organic-rich soils than in alkaline and organic-poor soils. A machine learning random forest (RF) algorithm showed that the amount of straw-C input was the most important single factor governing the magnitude and efficiency of straw return. However, local agricultural managements and environmental conditions were together the dominant explanatory factors determining the spatial differences in SR-induced SOC stock changes. This entails that by optimizing agricultural managements in regions with favorable environmental conditions the farmer can accumulate more C with minor negative impacts. By clarifying the significance and relative importance of multiple local factors, our findings may aid the development of tailored region-specific straw return policies integrating the SOC increment and its environmental side costs.
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Affiliation(s)
- Binzhe Li
- College of Resources and Environmental Sciences, China Agricultural University, Beijing 100193, China
| | - Fei Liang
- College of Resources and Environmental Sciences, China Agricultural University, Beijing 100193, China
| | - Yajing Wang
- College of Resources and Environment Sciences, Hebei Agricultural University, Baoding 071001, China
| | - Wenchao Cao
- Weifang University of Science and Technology, Shouguang 262700, China
| | - He Song
- College of Agronomy, Anhui Agricultural University, Hefei 230036, China
| | - Jingsheng Chen
- College of Resources and Environmental Sciences, China Agricultural University, Beijing 100193, China
| | - Jingheng Guo
- College of Resources and Environmental Sciences, China Agricultural University, Beijing 100193, China.
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12
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Chinasho A, Bedadi B, Lemma T, Tana T, Hordofa T, Elias B. Quality assessment and evaluation of irrigation water and soil used for maize ( Zea mays L.) production in Boloso Sore district, southern Ethiopia. Heliyon 2023; 9:e17299. [PMID: 37484435 PMCID: PMC10361374 DOI: 10.1016/j.heliyon.2023.e17299] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2022] [Revised: 06/06/2023] [Accepted: 06/13/2023] [Indexed: 07/25/2023] Open
Abstract
Poor quality of irrigation water and soil are among the major factors determining maize productivity in Ethiopia. This study assessed and evaluated the quality of irrigation water and soil under maize production in Soke and Woybo irrigation schemes in Boloso Sore district, Ethiopia. Four water samples per site per season were collected from the first point of the irrigation schemes and farm gate for dry and rainy seasons in 2019/2020. Soil samples of 108 were collected from 36 points, from which 18 composited samples were taken for laboratory analysis. Results show that irrigation water of the two schemes is non-saline (electrical conductivity <0.2 dS m-1) and in the normal pH range (6.5-7.5). Maximum concentration of cations in irrigation water was in the order of sodium (22.3 mg l-1) > potassium (7.3 mg l-1) > calcium (6.2 mg l-1) > magnesium (3.1 mg l-1). Moderate to severe sodicity (sodium adsorption ratio of 10.9) was also recorded. Sulfate, nitrate, and phosphate contents in water were trace, and increased during rainy seasons in downstream. Textural classes of soils are clay loam to clay, and less compact to restrict root penetration (bulk density ≤1.4 g cm-3), have slow infiltration rate (≤0.13 cm h-1), and medium level of total available water (≤178 mm m-1). Soils are strongly acidic to neutral (pH: 5-6.5), salt-free, and have low soil organic carbon (≤2.1%), low total nitrogen (≤0.1%), low available phosphorus and sulfur, and low Ca2+: Mg2+ ratio. It can be concluded that the irrigation water in the study area has cation imbalance (poor quality) which affects soil quality and maize productivity. Likewise, soils of the study area have poor quality. Lime application, efficient fertilizer use, and organic matter applications can be suggested. Further study on optimizing fertilizer rates and irrigation levels has to be conducted to improve maize productivity.
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Affiliation(s)
- Alefu Chinasho
- Department of Environmental Science, College of Natural and Computational Sciences, Wolaita Sodo University, P.O. Box. 138, Wolaita Sodo, Ethiopia
- Africa Center of Excellence for Climate Smart Agriculture and Biodiversity Conservation, Haramaya University, P.O. Box. 138, Haramaya, Ethiopia
| | - Bobe Bedadi
- Africa Center of Excellence for Climate Smart Agriculture and Biodiversity Conservation, Haramaya University, P.O. Box. 138, Haramaya, Ethiopia
| | - Tesfaye Lemma
- Africa Center of Excellence for Climate Smart Agriculture and Biodiversity Conservation, Haramaya University, P.O. Box. 138, Haramaya, Ethiopia
| | - Tamado Tana
- Department of Crop Production, Faculty of Agriculture, University of Eswatini, P.O. Luyengo, M 205, Swaziland
| | - Tilahun Hordofa
- Ethiopia Institute of Agricultural Research, Melkasa Research Center, P.O. Box. 436, Adama, Ethiopia
| | - Bisrat Elias
- Faculty of Meteorology and Hydrology, Arba Minch University, P.O.Box.21, Arba Minch, Ethiopia
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Canatoy RC, Jeong ST, Cho SR, Galgo SJC, Kim PJ. Importance of biochar as a key amendment to convert rice paddy into carbon negative. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 873:162331. [PMID: 36805061 DOI: 10.1016/j.scitotenv.2023.162331] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/06/2022] [Revised: 02/10/2023] [Accepted: 02/15/2023] [Indexed: 06/18/2023]
Abstract
Biochar being made up of recalcitrant carbon (C) compounds is considered a negative emission technology (NET) due to its indirect removal of atmospheric carbon dioxide (CO2). However, there is no clear report about how biochar remains a NET when organic amendment application in rice paddy results in a huge emission of greenhouse gases (GHG) particularly, methane (CH4). To evaluate the net impact of biochar application on the net global warming potential (GWP) in rice paddy, no organic amendment (control), fresh manure, compost, and biochar treatments were selected during the whole investigation period. Compared to compost, biochar application decreased annual CH4 and N2O emissions by 55 and 31 %, respectively. In comparison to the control, biochar application increased CH4 emission by 163 % but decreased N2O emission by 19 %. Soil organic carbon (SOC) stock would annually deplete by 2.2 Mg C ha-1 under control; however, biochar application could increase the SOC stock by 18.1 Mg C ha-1 which was 63 and 33 % higher than fresh and compost treatments, respectively. As a result, the control had a net GWP of 10 Mg CO2-eq ha-1 however, this impact was increased with fresh manure and compost application by around 319 and 159 %, respectively. Interestingly, biochar application converted rice paddy into a C sink having a net GWP of -0.104 to -0.191 Mg CO2-eq ha-1. Since there was a comparable difference in grain yield among organic amendments, greenhouse gas intensity (GHGI) which is the net GWP per grain yield was significantly high in compost application of approximately 3.1 Mg CO2-eq Mg-1 grain being 127 % higher than control. However, the biochar application had a -0.02 Mg CO2-eq Mg-1 grain which was 1.4 Mg CO2-eq Mg-1 grain lower than the control. Conclusively, biochar application could be a considerable option in maintaining soil quality and productivity without contributing any GHG emissions and their associated impacts.
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Affiliation(s)
- Ronley C Canatoy
- Institute of Agriculture and Life Sciences, Gyeongsang National University, Jinju 660-701, Republic of Korea; Department of Soil Science, College of Agriculture, Central Mindanao University, Maramag, 8710, Republic of the Philippines
| | - Seung Tak Jeong
- Rural Development Administration, National Institute of Horticultural and Herbal Science, Wanju 55365, Republic of Korea
| | - Song Rae Cho
- Soil and Fertilizer Management Division, National Institute of Agricultural Sciences, Rural Development Administration, Wanju 55365, Republic of Korea
| | - Snowie Jane C Galgo
- Division of Applied Life Science (BK21+ Program), Gyeongsang National University, Jinju 660-701, Republic of Korea
| | - Pil Joo Kim
- Institute of Agriculture and Life Sciences, Gyeongsang National University, Jinju 660-701, Republic of Korea; Division of Applied Life Science (BK21+ Program), Gyeongsang National University, Jinju 660-701, Republic of Korea.
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14
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Jia L, Xin J, Wu H, Gong S, Wu H, Zhang Z. Enhancing nitrate attenuation in groundwater via selectively applying surface agricultural practices: A novel and sustainable strategy for non-point source pollution mitigation. WATER RESEARCH 2023; 239:120052. [PMID: 37178664 DOI: 10.1016/j.watres.2023.120052] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/02/2023] [Revised: 04/22/2023] [Accepted: 05/04/2023] [Indexed: 05/15/2023]
Abstract
Non-point nitrate pollution in groundwater has been accelerated by agricultural development, but sustainable nitrogen removal is a challenge because of its wide distribution and negative side effects. Surface agricultural practices (SAPs), which are demonstrably effective in driving the downward infiltration of dissolved organic carbon (DOC), have not been well explored for their potential to enhance nitrate attenuation in groundwater. Therefore, a combination of soil column and groundwater incubation experiments was performed to investigate the carbon and nitrogen responses to different SAPs (manure fertilization, lucerne planting, and straw return). The soil column experiment showed that SAPs promoted DOC and reduced nitrate leaching into groundwater, and straw treatment witnessed the highest DOC leaching flux (252.71 g m-2 yr-1) and lowest nitrate leaching flux (9.51 g m-2 yr-1). The groundwater incubation experiment showed that leachates from the straw treatment displayed the best denitrification-enhancement performance, with the highest NO3--N reduction efficiency (92.93%) and rate (1.627 mg/day), N2 selectivity (99.78%), and net nitrogen removal (0.09 mg). Furthermore, Fourier transform ion cyclotron resonance mass spectrometry confirmed that CHOS molecules with lower double bond equivalents (0-5) and larger carbon numbers (10-15) were more accessible to denitrifiers. This study provides a new path for the sustainable control of non-point source nitrate pollution.
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Affiliation(s)
- Linna Jia
- Key Lab of Marine Environment and Ecology, Ministry of Education, Shandong Provincial Key Laboratory of Marine Environment and Geological Engineering, College of Environmental Science and Engineering, Ocean University of China, Qingdao 266100, China
| | - Jia Xin
- Key Lab of Marine Environment and Ecology, Ministry of Education, Shandong Provincial Key Laboratory of Marine Environment and Geological Engineering, College of Environmental Science and Engineering, Ocean University of China, Qingdao 266100, China.
| | - Han Wu
- Key Lab of Marine Environment and Ecology, Ministry of Education, Shandong Provincial Key Laboratory of Marine Environment and Geological Engineering, College of Environmental Science and Engineering, Ocean University of China, Qingdao 266100, China
| | - Shuo Gong
- Key Lab of Marine Environment and Ecology, Ministry of Education, Shandong Provincial Key Laboratory of Marine Environment and Geological Engineering, College of Environmental Science and Engineering, Ocean University of China, Qingdao 266100, China
| | - Haoran Wu
- Key Lab of Marine Environment and Ecology, Ministry of Education, Shandong Provincial Key Laboratory of Marine Environment and Geological Engineering, College of Environmental Science and Engineering, Ocean University of China, Qingdao 266100, China
| | - Zhiyuan Zhang
- Key Lab of Marine Environment and Ecology, Ministry of Education, Shandong Provincial Key Laboratory of Marine Environment and Geological Engineering, College of Environmental Science and Engineering, Ocean University of China, Qingdao 266100, China
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15
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Zhou C, Gao Y, Ma Q, Xia Z, Zhu M, Zhang X, An S, Li S, Yu W. The single and combined effects of sulfamethazine and cadmium on soil nitrification and ammonia-oxidizing microorganisms. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:56108-56120. [PMID: 36913014 DOI: 10.1007/s11356-023-26141-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: 11/16/2022] [Accepted: 02/21/2023] [Indexed: 06/18/2023]
Abstract
The coexistence of antibiotics and heavy metals in soil has attracted increasing attention due to their negative effects on microorganisms. However, how antibiotics and heavy metals affect functional microorganisms related to nitrogen cycle remains unclear. The goals of this work were to explore the individual and combined effects of sulfamethazine (SMT) and cadmium (Cd), selected as target pollutants in soil, on potential nitrification rates (PNR) and ammonia oxidizers (ammonia-oxidizing archaea (AOA) and ammonia-oxidizing bacteria (AOB)) structure and diversity by 56-day cultivation experiment. Results showed that PNR in Cd- or SMT-treated soil decreased at the beginning of the experiment and then increased over time. PNR was significantly correlated with AOA and AOB-amoA relative abundance (P < 0.01). SMT addition (10 and 100 mg kg-1) significantly improved AOA activity by 13.93% and 17.93%, respectively, and had no effect on AOB at day 1. Conversely, Cd at 10 mg kg-1 significantly inhibited AOA and AOB by 34.34% and 37.39%, respectively. Moreover, the relative abundance of AOA and AOB in combined SMT and Cd addition clearly higher relative to single Cd at 1 day. The single and combined Cd and SMT increased and reduced the community richness of AOA and AOB, respectively, but reduced the diversity of both after 56 days. Cd and SMT treatments significantly changed the relative abundance of AOA phylum levels and AOB genus levels in the soil. It was mainly manifested in reducing the relative abundance of AOA Thaumarchaeota, and increasing the relative abundance of AOB Nitrosospira. Besides, AOB Nitrosospira was more tolerant to the compound addition of both than single application.
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Affiliation(s)
- Changrui Zhou
- Institute of Applied Ecology Chinese Academy of Sciences, Shenhe District, 72 Wenhua Road, Shenyang, 110016, People's Republic of China
- State Environmental Protection Key Laboratory of Environmental Risk Assessment and Control On Chemical Process, School of Resources and Environmental Engineering, East China University of Science and Technology, Shanghai, 200237, China
| | - Yun Gao
- Institute of Applied Ecology Chinese Academy of Sciences, Shenhe District, 72 Wenhua Road, Shenyang, 110016, People's Republic of China
- University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Qiang Ma
- Institute of Applied Ecology Chinese Academy of Sciences, Shenhe District, 72 Wenhua Road, Shenyang, 110016, People's Republic of China
| | - Zhuqing Xia
- Institute of Applied Ecology Chinese Academy of Sciences, Shenhe District, 72 Wenhua Road, Shenyang, 110016, People's Republic of China
- University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Mengmeng Zhu
- Institute of Applied Ecology Chinese Academy of Sciences, Shenhe District, 72 Wenhua Road, Shenyang, 110016, People's Republic of China
- University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Xinhui Zhang
- Institute of Applied Ecology Chinese Academy of Sciences, Shenhe District, 72 Wenhua Road, Shenyang, 110016, People's Republic of China
- University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Siyu An
- Institute of Applied Ecology Chinese Academy of Sciences, Shenhe District, 72 Wenhua Road, Shenyang, 110016, People's Republic of China
- University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Shuailin Li
- Institute of Applied Ecology Chinese Academy of Sciences, Shenhe District, 72 Wenhua Road, Shenyang, 110016, People's Republic of China.
| | - Wantai Yu
- Institute of Applied Ecology Chinese Academy of Sciences, Shenhe District, 72 Wenhua Road, Shenyang, 110016, People's Republic of China.
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16
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Li J, Lei S, Gong H, Liu Z, Zhang Y, Ouyang Z. Field performance of sweet sorghum in salt-affected soils in China: A quantitative synthesis. ENVIRONMENTAL RESEARCH 2023; 222:115362. [PMID: 36709870 DOI: 10.1016/j.envres.2023.115362] [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: 11/15/2022] [Revised: 01/05/2023] [Accepted: 01/23/2023] [Indexed: 06/18/2023]
Abstract
Sweet sorghum is a high-yield crop with strong resistance, which has the potential to support the development of the forage farming industry in China where vast salt-affected lands are potentially arable. Nutrient management is imperative for sweet sorghum growing on salt-affected lands. Although nitrogen (N) synthetic fertilizers have long been recognized as a key factor for increasing crop yields, their effects on sweet sorghum cultivation are under debate. Consequently, this study integrated the current available observations of yield (n = 255) and partial factor productivity of nitrogen (NPFP, n = 242) of sweet sorghum in salt-affected lands, which included both inland (n = 189) and coastal (n = 66) areas. We quantitatively analyzed the effects of climatic, soil properties and management measures on biomass yield and NPFP of sweet sorghum, comparing the differences between inland and coastal salt-affected lands. We found that average biomass yield and NPFP of sweet sorghum in coastal areas were 19,082.48 ± 8262.75 kg/ha and 107.29 ± 51.44 kg/kg respectively, both significantly lower than that in inland areas (p < 0.05). The N application rate did not have significant promoting effect on the biomass yield of sweet sorghum in inland salt-affected areas (p > 0.05), whereas in coastal salt-affected areas, N application significantly increased the biomass yield of sweet sorghum. Increasing soil organic matter content could promote NPFP in inland areas. The recommended N application rate for inland salt-affected and coastal salt-affected areas were 100 kg/ha and 150 kg/ha respectively. The results indicate that it is crucial to apply nutrient management measures based on the local climatic and soil conditions, since the causes of salinity differ in coastal and inland salt-affected lands. More systematic field studies are required in the future to optimize the management of water and nutrients for sweet sorghum planting in salt-affected lands.
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Affiliation(s)
- Jing Li
- Key Laboratory of Ecosystem Network Observation and Modeling, Institute of Geographic Sciences and Natural Resources Research, China Academy of Science, Beijing, 100101, China.
| | - Shanqing Lei
- Yellow River Delta Modern Agricultural Engineering Laboratory, Institute of Geographic Sciences and Natural Resources Research, China Academy of Science, Beijing, 100101, China
| | - Huarui Gong
- Yellow River Delta Modern Agricultural Engineering Laboratory, Institute of Geographic Sciences and Natural Resources Research, China Academy of Science, Beijing, 100101, China.
| | - Zhen Liu
- Yellow River Delta Modern Agricultural Engineering Laboratory, Institute of Geographic Sciences and Natural Resources Research, China Academy of Science, Beijing, 100101, China
| | - Yitao Zhang
- Yellow River Delta Modern Agricultural Engineering Laboratory, Institute of Geographic Sciences and Natural Resources Research, China Academy of Science, Beijing, 100101, China
| | - Zhu Ouyang
- Yellow River Delta Modern Agricultural Engineering Laboratory, Institute of Geographic Sciences and Natural Resources Research, China Academy of Science, Beijing, 100101, China
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17
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Yang F, Fu Q, Antonietti M. Anthropogenic, Carbon-Reinforced Soil as a Living Engineered Material. Chem Rev 2023; 123:2420-2435. [PMID: 36633446 PMCID: PMC9999422 DOI: 10.1021/acs.chemrev.2c00399] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Abstract
In recent years, the simple synthesis of artificial humic substances (A-HS) by alkaline hydrothermal processing of waste biomass was described. This A-HS was shown to support water and mineral binding, to change soil structure, to avoid fertilizer mineralization, and to support plant growth. Many of the observed macroscopic effects could, however, not be directly related to the minute amounts of A-HS which have been added, and an A-HS stimulated microbiome was found to be the key for understanding. In this review, we describe such anthropogenic soil in the language of the modern concept of living engineered materials and identify natural and artificial HS as the enabler to set up the interactive microbial system along the interfaces of the mineral grains. In that, old chemical concepts as surface activity, redox mediation, and pH buffering are the base of the system structure build-up and the complex self-adaptability of biological systems. The resulting chemical/biological hybrid system has the potential to address world problems as soil fertility, nutrition of a growing world population, and climate change.
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Affiliation(s)
- Fan Yang
- School of Water Conservancy and Civil Engineering, Northeast Agricultural University, Harbin 150030, China.,Joint Laboratory of Northeast Agricultural University and Max Planck Institute of Colloids and Interfaces (NEAU-MPICI), Harbin 150030, China
| | - Qiang Fu
- School of Water Conservancy and Civil Engineering, Northeast Agricultural University, Harbin 150030, China
| | - Markus Antonietti
- Department of Colloid Chemistry,Max Planck Institute of Colloids and Interfaces, 14476 Potsdam, Germany
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Lin BJ, Li RC, Yang MY, Kan ZR, Virk AL, Bohoussou YND, Zhao X, Dang YP, Zhang HL. Changes in cropland soil carbon through improved management practices in China: A meta-analysis. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2023; 329:117065. [PMID: 36566726 DOI: 10.1016/j.jenvman.2022.117065] [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: 09/15/2022] [Revised: 11/26/2022] [Accepted: 12/15/2022] [Indexed: 06/17/2023]
Abstract
Recommended management practices (RMPs, e.g., manuring, no-tillage, crop residue return) can increase soil organic carbon (SOC), reduce greenhouse gas emissions, and maintain soil health in croplands. However, there is no consensus on how RMPs affect the SOC storage potential of cropland soils for climate change mitigation. Here, based on 2301 comparisons from 158 peer-reviewed papers, a meta-analysis was conducted to explore management-induced SOC stock changes and their variations under different conditions. The results show that SOC stocks in the 0-20 cm layer were increased by 31.8% when chemical fertilization combined with manure application was compared with no fertilizer; 9.98% when no-tillage was compared with plow tillage; and 10.84% when straw return was compared with removal. The RMPs favorably increased SOC stock in arid areas, and in alkaline and fine-textured soils. Initial SOC, carbon-nitrogen ratio, and experimental duration could also affect SOC storage. Compared with the initial SOC stock, RMPs increased the SOC sequestration potential by 2.6-4.5% in the 0-20 cm soil depth, indicating that these practices can help China achieve targets to increase SOC by 4.0‰. Hence, it is essential to implement RMPs for climate change mitigation and soil fertility improvement.
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Affiliation(s)
- Bai-Jian Lin
- College of Agronomy and Biotechnology, China Agricultural University, Beijing, 100193, China; Key Laboratory of Farming System, Ministry of Agriculture and Rural Affairs of China, Beijing, 100193, China
| | - Ruo-Chen Li
- College of Agronomy and Biotechnology, China Agricultural University, Beijing, 100193, China; Key Laboratory of Farming System, Ministry of Agriculture and Rural Affairs of China, Beijing, 100193, China
| | - Mu-Yu Yang
- College of Agronomy and Biotechnology, China Agricultural University, Beijing, 100193, China; Key Laboratory of Farming System, Ministry of Agriculture and Rural Affairs of China, Beijing, 100193, China
| | - Zheng-Rong Kan
- College of Agronomy and Biotechnology, China Agricultural University, Beijing, 100193, China; Key Laboratory of Farming System, Ministry of Agriculture and Rural Affairs of China, Beijing, 100193, China
| | - Ahmad Latif Virk
- College of Agronomy and Biotechnology, China Agricultural University, Beijing, 100193, China; Key Laboratory of Farming System, Ministry of Agriculture and Rural Affairs of China, Beijing, 100193, China
| | - Yves N Dri Bohoussou
- College of Agronomy and Biotechnology, China Agricultural University, Beijing, 100193, China; Key Laboratory of Farming System, Ministry of Agriculture and Rural Affairs of China, Beijing, 100193, China
| | - Xin Zhao
- College of Agronomy and Biotechnology, China Agricultural University, Beijing, 100193, China; Key Laboratory of Farming System, Ministry of Agriculture and Rural Affairs of China, Beijing, 100193, China
| | - Yash Pal Dang
- School of Agriculture and Food Sciences, The University of Queensland, St Lucia, 4072, Australia
| | - Hai-Lin Zhang
- College of Agronomy and Biotechnology, China Agricultural University, Beijing, 100193, China; Key Laboratory of Farming System, Ministry of Agriculture and Rural Affairs of China, Beijing, 100193, China.
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Hu Y, Zhan P, Thomas BW, Zhao J, Zhang X, Yan H, Zhang Z, Chen S, Shi X, Zhang Y. Organic carbon and nitrogen accumulation in orchard soil with organic fertilization and cover crop management: A global meta-analysis. THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 852:158402. [PMID: 36055500 DOI: 10.1016/j.scitotenv.2022.158402] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/14/2022] [Revised: 07/25/2022] [Accepted: 08/25/2022] [Indexed: 05/27/2023]
Abstract
In orchard systems, organic amendments and cover crops may enhance soil organic carbon (SOC) and total nitrogen (STN) stocks, but on a global scale a comprehensive understanding of these practices is needed. This study reports a worldwide meta-analysis of 131 peer-reviewed publications, to quantify potential SOC and STN accumulation in orchard soils induced by organic fertilization and cover cropping. Annual gains of 3.73 Mg C/ha and 0.38 Mg N/ha were realized with the introduction of organic fertilizer, while cover crop management led to annual increases of 2.00 Mg C/ha and 0.20 Mg N/ha. The SOC and STN accumulation rates depended mostly on climatic conditions and initial SOC and STN content. The SOC and STN accumulated fastest during the first three years of cover crop implementation, at 2.98 Mg C/ha/yr and 0.25 Mg N/ha/yr and declined thereafter. Organic fertilization caused significantly more annual SOC and STN accumulation at higher (400-800 mm) than lower (<400 mm) rainfall levels. When cover cropping for more than five years, SOC accumulated the fastest with <800 mm of mean annual rainfall. Organic fertilization led to faster SOC accumulation with mean annual temperature between 15 and 20 °C than >20 °C. Organic amendments led to the slowest SOC accumulation rate when the initial SOC concentration was <10 g C/kg. This study provides policy makers and orchard managers science-based evidence to help guide adaptive management practices that build SOC stocks, improve soil conditions and enhance resilience of orchard systems to climate change.
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Affiliation(s)
- Yingxiao Hu
- College of Resources and Environment, Academy of Agriculture Sciences, Southwest University, Chongqing 400715, China
| | - Pengjie Zhan
- College of Resources and Environment, Academy of Agriculture Sciences, Southwest University, Chongqing 400715, China; Interdisciplinary Research Center for Agriculture Green Development in Yangtze River Basin, Southwest University, Chongqing 400715, China
| | - Ben W Thomas
- Agriculture and Agri-Food Canada, Agassiz Research and Development Centre, Agassiz, British Columbia V0M 1A0, Canada
| | - Jingkun Zhao
- Chongqing Agricultural Technology Extension Station, Chongqing 401121, China
| | - Xueliang Zhang
- College of Resources and Environment, Academy of Agriculture Sciences, Southwest University, Chongqing 400715, China; Interdisciplinary Research Center for Agriculture Green Development in Yangtze River Basin, Southwest University, Chongqing 400715, China
| | - He Yan
- College of Resources and Environment, Academy of Agriculture Sciences, Southwest University, Chongqing 400715, China; Interdisciplinary Research Center for Agriculture Green Development in Yangtze River Basin, Southwest University, Chongqing 400715, China
| | - Zhibin Zhang
- College of Resources and Environment, Academy of Agriculture Sciences, Southwest University, Chongqing 400715, China; Interdisciplinary Research Center for Agriculture Green Development in Yangtze River Basin, Southwest University, Chongqing 400715, China
| | - Shuang Chen
- College of Resources and Environment, Academy of Agriculture Sciences, Southwest University, Chongqing 400715, China; Interdisciplinary Research Center for Agriculture Green Development in Yangtze River Basin, Southwest University, Chongqing 400715, China
| | - Xiaojun Shi
- College of Resources and Environment, Academy of Agriculture Sciences, Southwest University, Chongqing 400715, China; Interdisciplinary Research Center for Agriculture Green Development in Yangtze River Basin, Southwest University, Chongqing 400715, China; Chongqing Key Laboratory of Efficient Utilization of Soil and Fertilizer Resources, Southwest University, Chongqing 400715, China
| | - Yuting Zhang
- College of Resources and Environment, Academy of Agriculture Sciences, Southwest University, Chongqing 400715, China; Interdisciplinary Research Center for Agriculture Green Development in Yangtze River Basin, Southwest University, Chongqing 400715, China.
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Microbial-Mediated Emissions of Greenhouse Gas from Farmland Soils: A Review. Processes (Basel) 2022. [DOI: 10.3390/pr10112361] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
The greenhouse effect is one of the concerning environmental problems. Farmland soil is an important source of greenhouse gases (GHG), which is characterized by the wide range of ways to produce GHG, multiple influencing factors and complex regulatory measures. Therefore, reducing GHG emissions from farmland soil is a hot topic for relevant researchers. This review systematically expounds on the main pathways of soil CO2, CH4 and N2O; analyzes the effects of soil temperature, moisture, organic matter and pH on various GHG emissions from soil; and focuses on the microbial mechanisms of soil GHG emissions under soil remediation modes, such as biochar addition, organic fertilizer addition, straw return and microalgal biofertilizer application. Finally, the problems and environmental benefits of various soil remediation modes are discussed. This paper points out the important role of microalgae biofertilizer in the GHG emissions reduction in farmland soil, which provides theoretical support for realizing the goal of “carbon peaking and carbon neutrality” in agriculture.
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21
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Wei L, Chen S, Cui J, Ping H, Yuan C, Chen Q. A meta-analysis of arable soil phosphorus pools response to manure application as influenced by manure types, soil properties, and climate. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2022; 313:115006. [PMID: 35398641 DOI: 10.1016/j.jenvman.2022.115006] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/29/2021] [Revised: 03/22/2022] [Accepted: 03/29/2022] [Indexed: 06/14/2023]
Abstract
Manure amendments to agricultural soils is an excellent opportunity for sustainable utilization of agricultural waste while providing multiple benefits to improve soil quality and increase the availability of nutrients to plants, including phosphorus (P). In this study, a meta-analysis of published data from 411 independent observations based on 133 peer-reviewed papers was performed for an in depth understanding of various factors affecting the transformation of soil P pools with manure application. Manure application increased all soil inorganic P (Pi) by 58.0%-282% and organic P (Po) by 65.0%-105%, while decreasing Po/total P (TP), compared to those in unamended soils. Manure types, soil TP, and manure application rates were the important factors that influenced soil P fractions. Elevation of soil labile Pi was more pronounced with compost application, while poultry and pig manure were more beneficial for promoting soil Pi fractions and stable Po contents compared with other manure types. The manure application rate had pronounced effect on increasing the stable Po fractions. The effects of manure application on increasing soil P fractions were greater in soils with lower TP contents as compared to that in high TP soils. Manure effects on enhancing soil labile Pi and moderately labile Pi were greater in acidic soil than that in neutral and alkaline soils. In addition, soil P fractions showed significant correlation with latitude and mean annual precipitation (MAP). By integrating the impacts of manure types, soil properties, and climate, this meta-analysis would help to develop the management of manure application in a specific region of agriculture as well as promote the interpretation of the interfering factors on the soil P fractions changes in the manure-amended soils.
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Affiliation(s)
- LuLu Wei
- Beijing Key Laboratory of Farmyard Soil Pollution Prevention-control and Remediation, College of Resources and Environmental Sciences, China Agricultural University, Beijing, 100193, China
| | - Shuo Chen
- Beijing Key Laboratory of Farmyard Soil Pollution Prevention-control and Remediation, College of Resources and Environmental Sciences, China Agricultural University, Beijing, 100193, China
| | - Jianyu Cui
- Beijing Key Laboratory of Farmyard Soil Pollution Prevention-control and Remediation, College of Resources and Environmental Sciences, China Agricultural University, Beijing, 100193, China
| | - Huaixiang Ping
- Beijing Key Laboratory of Farmyard Soil Pollution Prevention-control and Remediation, College of Resources and Environmental Sciences, China Agricultural University, Beijing, 100193, China
| | - Chengpeng Yuan
- School of Environmental Science and Engineering, Shanghai Jiao Tong University, Shanghai, 200240, China
| | - Qing Chen
- Beijing Key Laboratory of Farmyard Soil Pollution Prevention-control and Remediation, College of Resources and Environmental Sciences, China Agricultural University, Beijing, 100193, China
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22
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Zhang G, Song K, Huang Q, Zhu X, Gong H, Ma J, Xu H. Heavy metal pollution and net greenhouse gas emissions in a rice-wheat rotation system as influenced by partial organic substitution. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2022; 307:114599. [PMID: 35092887 DOI: 10.1016/j.jenvman.2022.114599] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/06/2021] [Revised: 01/20/2022] [Accepted: 01/23/2022] [Indexed: 06/14/2023]
Abstract
Substituting nitrogen fertilizer with organic manure is a common fertilization practice in farmland, but its potential effect on heavy metal pollution and greenhouse gas (GHG) emissions remains unclear. A three-year field experiment was conducted in the rice-wheat rotation system, with two different substitution ratios (25% and 50%) of sewage sludge compost (SS) and pig manure compost (PM). With the substitutions of SS and PM, the heavy metals, including Cu, Zn, Cd, and Pb were accumulated in the soil, but the pollution load index was <1 (0.39-0.66), indicating that soil was not polluted. Heavy metals Ni and Cu were mainly found in rice chaff, while Zn and Cd were accumulated in rice stalk, and the accumulation of Pb occurred in the leaf. For wheat, Ni, Cu, and Pb were accumulated in chaff, while grain and stalk had the highest concentrations of Zn and Cd, respectively. Moreover, the bioconcentration factor of heavy metals was 0-0.787, and their contents were below the standard limits for foods for rice and wheat in China, implying that the grains were unpolluted. Given the 5-8 fold increase in the sequestration rate of soil organic carbon with SS and PM substitutions, the annual net GHG emissions were reduced by 115-166%. Most importantly, 50% SS substitution exhibited the lowest net GHG emissions and highest rice and wheat yields. Overall, the results suggested that 50% SS substitution would be a feasible fertilization strategy that not only is unlikely to pose a high risk of soil and grain pollution but also significantly mitigates net GHG emissions and maintains high yields.
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Affiliation(s)
- Guangbin Zhang
- State Key Laboratory of Soil and Sustainable Agriculture, Institute of Soil Science, Chinese Academy of Sciences, Nanjing, 210008, China
| | - Kaifu Song
- State Key Laboratory of Soil and Sustainable Agriculture, Institute of Soil Science, Chinese Academy of Sciences, Nanjing, 210008, China; University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Qiong Huang
- State Key Laboratory of Soil and Sustainable Agriculture, Institute of Soil Science, Chinese Academy of Sciences, Nanjing, 210008, China; University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Xiaoli Zhu
- State Key Laboratory of Soil and Sustainable Agriculture, Institute of Soil Science, Chinese Academy of Sciences, Nanjing, 210008, China; University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Hua Gong
- State Key Laboratory of Soil and Sustainable Agriculture, Institute of Soil Science, Chinese Academy of Sciences, Nanjing, 210008, China
| | - Jing Ma
- State Key Laboratory of Soil and Sustainable Agriculture, Institute of Soil Science, Chinese Academy of Sciences, Nanjing, 210008, China
| | - Hua Xu
- State Key Laboratory of Soil and Sustainable Agriculture, Institute of Soil Science, Chinese Academy of Sciences, Nanjing, 210008, China.
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Zhang S, Wang L, Chen S, Fan B, Huang S, Chen Q. Enhanced phosphorus mobility in a calcareous soil with organic amendments additions: Insights from a long term study with equal phosphorus input. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2022; 306:114451. [PMID: 35007795 DOI: 10.1016/j.jenvman.2022.114451] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/16/2021] [Revised: 12/24/2021] [Accepted: 01/03/2022] [Indexed: 06/14/2023]
Abstract
The agricultural practice of replacing chemical fertilizers with organic amendments (manure and/or straw) may have consequences for phosphorus (P) loss to the environment. Such a knowledge gap was examined using a ten-year field trial in calcareous soil containing four treatments with the equal annual P input but varied organic amendment combinations as follows: mineral fertilizer only as control (MF), mineral fertilizer coupled with manure (MM), mineral fertilizer coupled with manure and straw (MMS) and mineral fertilizer coupled with straw (MS). The soil P distribution, P fractions and speciation, Fe(III) reduction and P sorption kinetics were investigated using the chemical extraction, K edge X-ray absorption near-edge structure and Langmuir equations. The electronic shuttle capacity of soils and speciation of soil dissolved organic matter (DOM) were also evaluated using electrochemical methods, three-dimensional excitation-emission matrix fluorescence spectroscopy and Fourier transform infrared spectra methods. Results showed that soil Olsen-P and total P increased at depths of 20-40 cm in MM, MMS and MS treatments, suggesting that manure and/or straw addition significantly mobilized P in the soil profile. Manure and/or straw addition also decreased soil maximum P sorption capacity (Smax) and increased the desorption rate at depths of 0-20 cm in soil across treatments. At a depth of 0-20 cm in soil of the MS treatment, the enhanced Fe(Ⅲ) reduction coupled with a decrease of Fe-bound P supports that Fe reduction dominates the mobilization of P. The transformation of Ca bound-P to Al/Fe bound-P in a depth of 0-20 cm in soil of the MM treatment may be due to the high proportion of humic-like substances in the DOM at a depth of 0-20 cm in soil of the MM treatment, which may have caused a slight/microsite acidification. These results can help to develop optimized fertilization practices to effectively mitigate P loss from calcareous soils with manure and/or straw addition.
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Affiliation(s)
- Shuai Zhang
- Beijing Key Laboratory of Farmland Soil Pollution Prevention-control and Remediation, College of Resources and Environmental Sciences, China Agricultural University, No. 2 Yuanmingyuan Xilu, Haidian, Beijing, 100193, PR China
| | - Liying Wang
- Institute of Agricultural Resources and Environment, Hebei Academy of Agriculture and Forestry Sciences, Shijiazhuang, 050051, PR China
| | - Shuo Chen
- Beijing Key Laboratory of Farmland Soil Pollution Prevention-control and Remediation, College of Resources and Environmental Sciences, China Agricultural University, No. 2 Yuanmingyuan Xilu, Haidian, Beijing, 100193, PR China
| | - Bingqian Fan
- Key Laboratory of Non-point Source Pollution Control, Ministry of Agriculture and Rural Affairs/Institute of Agricultural Resources and Regional Planning, Chinese Academy of Agricultural Sciences, Beijing, 100081, PR China
| | - Shaowen Huang
- Key Laboratory of Plant Nutrition and Fertilizer, Ministry of Agriculture and Rural Affairs/Institute of Agricultural Resources and Regional Planning, Chinese Academy of Agricultural Sciences, Beijing, 100081, PR China.
| | - Qing Chen
- Beijing Key Laboratory of Farmland Soil Pollution Prevention-control and Remediation, College of Resources and Environmental Sciences, China Agricultural University, No. 2 Yuanmingyuan Xilu, Haidian, Beijing, 100193, PR China.
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