
farmland rice straw changsha
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Coutilizing milk vetch, rice straw, and lime reduces the Cd
2022年2月1日 Coutilizing milk vetch and rice straw with lime reduced the Cd content in rice grains Amendments enhanced soil chemical reduced soil Cd bioavailability and changed the distribution of Cd chemical forms Soil pH and DOM had the greatest impacts on Cd availabilityTailoring straw return strategies to specific regional conditions optimize soil health, crop yield, and carbon emission reduction This study investigated yielddriven, spatialscale, and longterm strategies for straw return of maize, rice, and wheat cultivation in ChinaStrategies for crop straw management in China's major grain 2024年11月4日 Under the dual pressures of food security and soil cadmium (Cd) pollution in China, the use of an oilseed raperice rotation system and phytoremediation has been proposed as an effective measure to extract heavy metals from soil, achieve safe rice production, and Analysis of the phytoremediation potential, rice safety, and 2023年5月1日 Utilization of green manure is a traditional practice used to increase rice (Oryza sativa L) yield and improve soil fertility in southern China in rice cropping systemsThe effects of coutilizing green manure and rice straw on
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Variation of Cd and As accumulation in crops under oilseed rape–rice
2023年4月11日 Rice straw appears to have a higher ability to accumulate Cd/As from contaminated paddy soils (Wen et al 2021; Zhao and Wang 2019) When rice straw is directly returned to paddy fields, the content and activity of metal(loid)s in the soil increases (Zhang et 2024年10月14日 The present study aimed to explore the effect of straw return on rice production in terms of rice yield and net return using a representative household survey of 1752 rice farmers in central ChinaUnravelling the effects of straw return on rice production in 2017年12月16日 Using rice straw as mulch for upland soil may improve crop production and partially replace chemical fertilizers, which may mitigate N 2 O emissions A field experiment was conducted to investigate the potential of rice straw mulching for mitigating N 2 O emissions Effects of rice straw mulching on N2O emissions and maize 2018年2月15日 Due to frequent agricultural practices (eg direct straw returning and organic fertilizer application) and industrial activities (eg mining, smelting, and sewage irrigation), an increasing number of DOM and heavy metals has taken into farmland soil [1], [2], [3], [4]Interestingly, DOM can directly participate in the complexation process of heavy metals, Investigating binding characteristics of cadmium and copper
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Effects of irrigation method and rice straw incorporation on CH
2019年8月13日 Irrigation methods and rice straw incorporation (RSI) are two major factors influencing CH4 emissions from paddy fields However, their effects have never been studied in an RSI/alternateyear system in the cold region of Northeast China The present study involved a 2year field experiment analyzing the effects of irrigation method and RSI on CH4 emissions 2017年8月3日 Effect of MineralBased Amendments on Rice (Oryza sativa L) Growth and Cadmium Content in Plant and Polluted Soil Ming Lei,1,* Liang Peng,1 Baiqing Tie,1 Bohan Liao,2 Colin D Hills,3 Zhengguo Song,4,* and Zhen Tang1 1College of Resource and Environment, Hunan Agricultural University, Changsha, PR China 2College of Environment, Effect of MineralBased Amendments on Rice (Oryza 2018年9月17日 Paddy rice is considered as a main source for human exposure to heavy metal contamination due to its efficient accumulation of heavy metals especially when cultivated in contaminated fields In the current study, rice grains, straws, roots, and rhizosphere paddy soils were collected from Changsha, a nonferrous mineimpacted area in China Heavy metals Accumulation, translocation, and assessment of heavy 2024年6月21日 Straw returning has been shown to improve farmland soil, increase crop yield, and reduce global warming This study investigated the models of six rice strawreturning techniques based on the life cycle assessment method Compared to the direct modes, the indirect ones showed a greater environmental impact; up to 2056 times in acidification and A Comprehensive Assessment of Rice Straw Returning in
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Investigating binding characteristics of cadmium and copper
2018年2月15日 The compost (CP) sample used in this study was supplied by a commercial composting facility in Changsha that composted a mix of straw and chicken manure The rice straw (ST) was collected in paddy fields located in the outskirt of Changsha, China in fall 2015, right after harvest is essential for predicting the environmental behavior of 2022年7月15日 Corresponding Author Xiangmin Rong [ protected] College of Resources and Environment, Hunan Agricultural University, Changsha, PR China Hunan Provincial Key Laboratory of Farmland Pollution Control and Agricultural Resources Use, Hunan Provincial Key Laboratory of Nutrition in Common University, National Engineering Research Center for Partial substitution of chemical fertilizers with maize straw: 2022年7月15日 Corresponding Author Xiangmin Rong [ protected] College of Resources and Environment, Hunan Agricultural University, Changsha, PR China Hunan Provincial Key Laboratory of Farmland Pollution Control and Agricultural Resources Use, Hunan Provincial Key Laboratory of Nutrition in Common University, National Engineering Research Center for Partial substitution of chemical fertilizers with maize straw: 2017年12月16日 In the hilly areas of southern China, uplands and paddies are located adjacent to each other Using rice straw as mulch for upland soil may improve crop production and partially replace chemical fertilizers, which may mitigate N2O emissions A field experiment was conducted to investigate the potential of rice straw mulching for mitigating N2O emissions and increasing Effects of rice straw mulching on N2O emissions and maize
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Does continuous straw returning keep China farmland soil
2021年6月15日 Straw returning to the field, mainly by increasing SOC to achieve carbon sequestration (Fan et al, 2014)The straw undergoes the process of mineralization and humification under suitable conditions after straw enters the soil (Zhu et al, 2014)Mineralization means that the components of straw changed from complex to simple under the action of 2022年9月26日 1 School of Mechanical and Electrical Engineering, Hunan Agricultural University, Changsha, China; 2 School of Resources and Environment, Hunan Agricultural University, Changsha, China; 3 School of Frontiers Effects of straw return and straw 2019年10月15日 A healthy farmland ecosystem is a basic requirement, not only for food safety but also for human health (Burkle et al, 2017; Crist et al, 2017)The continued accumulation of heavy metals and persistent organics due to industrial pollution and overuse of agricultural chemicals severely threatens the quality of arable land, and has drawn significant research Spatial assessment of farmland soil pollution and its potential human 2023年8月9日 In the past ten years, in paddy rice systems in southern China, the coincorporation of Chinese milk vetch (MV) and rice straw (RS) has become a new and effective practice in which the advantages of the two species are CoIncorporating Chinese Milk Vetch and Rice

Speciation and accumulation pattern of heavy metals from soil to rice
2020年6月29日 Paddy rice, one of the most important food crops in Southeast Asia, is considered a main source of human exposure to heavy metal contamination because it efficiently accumulates heavy metals In the present study, of Japonica rice grains, straw, roots, leaves, and husks and rhizosphere paddy soils (0–20 cm and 20–40 cm depth) were collected from Zunyi 551Introduction 56Rice, as one of the most important crops, is cultivated in large area in south China 57(Yang et al, 2008)In rice filed, soil organic carbon (SOC) is an important part of soil 58carbon pool, which indicates soil fertility and helps to maintain farmland productivity 59(Merante et al, 2017)Commonly, the accumulation and decomposition of SOC can beChangsha, , PR China Ricecrayfish farming 2019年11月1日 Straw retention and fertilization management can affect rice yield and greenhouse gas (GHG) emission in paddy field To investigate the effect of leguminous green manure and straw retention plus nitrogen (N) fertilizer on rice yield and GHG emissions, field experiments were conducted from 2017 to 2018 and four treatments were designed, including Rice Yield and Greenhouse Gas Emissions Affected by Hang ZHOU Cited by 1,835 of Central South University of Forestry and Technology, Changsha (CSUFT) Read 101 publications Contact Hang ZHOUHang ZHOU Central South University of Forestry and
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Microbial mechanisms of organic matter mineralization induced by straw
2024年3月1日 Combined straw and strawderived biochar input is commonly applied by farmland management in lowfertility soils Although straw return increases soil organic matter (SOM) contents, it also primes SOM mineralization The mechanisms by which active microorganisms mineralize SOM and the underlying factors remain unclear for such soils To 2024年10月1日 However, there is large uncertainty of soil C inputs to croplands due to the lack of C input data For example, there is less survey data for straw resources, and the current amount of straw is estimated through crop yields based on empirical formulas (Huang et al, 2007)The straw return rate and the application rate of farmyard fertilizers are directly related Increased straw return promoted soil organic carbon 6 天之前 Shortterm effects of different tillage modes combined with strawreturning on the soil labile organic carbon components in a farmland with ricewheat double cropping YANG Minfang 1 , ZHU Liqun 2 , HAN Xinzhong 1 , GU Kejun 3 , HU Naijuan 2 , BIAN Xinmin 1,2Shortterm effects of different tillage modes combined with 2024年5月1日 Straw is a carbonrich agricultural waste containing large amounts of nitrogen, phosphorus, potassium, and micronutrient elements used for crop growth (Jin et al, 2020)China, as a large agricultural producing country, produces about 07–10 billion tons of crop straw annually, with rice straw, maize straw, and wheat straw accounting for 90% of China's total Response of soil organic carbon to straw return in farmland

Partial substitution of chemical fertilizers with maize straw:
2022年7月15日 Corresponding Author Xiangmin Rong [ protected] College of Resources and Environment, Hunan Agricultural University, Changsha, PR China Hunan Provincial Key Laboratory of Farmland Pollution Control and Agricultural Resources Use, Hunan Provincial Key Laboratory of Nutrition in Common University, National Engineering Research Center for 2020年1月19日 Abstract: 【Objective】By exploring the contribution of chemical phosphorus fertilizer and straw returning combined with phosphorus fertilizer to crop productivity, as well as the effect on soil phosphorus availability and phosphorus efficiency under the system of oilseed raperice rotation in the Yangtze River, this paper provided a scientific basis for farmland soil Effect of Continuous Straw Returning on Soil Phosphorus 2019年1月16日 Straw incorporation is a common longterm practice to improve soil fertility in croplands worldwide However, straw amendments often increase methane (CH 4) emissions from rice paddies, one of the main sources of anthropogenic CH 4Intergovernmental Panel on Climate Change (IPCC) methodologies to estimate CH 4 emissions from rice agriculture Acclimation of methane emissions from rice paddy fields to straw The purchase price of rice straw was $0066 kg Safe utilization of cadmium and leadcontaminated farmland by cultivating a winter rapeseed/maize rotation compared with two phytoextraction approaches J Environ Manag, 304 (2022), Article , 101016/jjenvman2021Analysis of the phytoremediation potential, rice safety, and
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Mitigating effects of ex situ application of rice straw on CH4
2016年11月21日 CH 4 and N 2 O emissions with in situ application of rice straw CH 4 emissions from paddy varied greatly with seasons ()The rate of CH 4 emissions during the fallow season was very low, ranging 6 天之前 In this analysis comprehensively assess the role of straw return to farmland in order to develop recommendations to improve the efficiency of straw utilization In this study, we conducted a metaanalysis involving 426 comparisons of weed abundance and diversity collected from 41 articles on this topic published between 2000 and 2022 Effects of straw return on farmland weed abundance and2024年3月26日 The excessive application of chemical fertilizers in rice fields exacerbates soil degradation and poses a threat to food security Achieving an increase in rice production and minimizing environmental costs are inevitable requirements for achieving sustainable rice production The synergistic utilization of rice straw (RS) and Chinese milk vetch (MV) is a Study on the Effects of Reducing Nitrogen Fertilizer MDPI198209198507 Chinese Academy of Sciences Changsha Institute of agricultural modernization MSc (33) Mobilisation of inorganic phosphorus induced by rice straw in aggregates of a highly weathered upland soil, Journal of the Science of Food and 吴金水中国科学院大学UCAS SEP 教育业务接入平台
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Analysis of Tobacco Straw Return to the Field to Improve the
2024年5月11日 Straw incorporation into soil contributes significantly to the sustainable development of agriculture To investigate the impact of tobacco straw returns on a tobacco–rice replanting system, we designed an experiment with two straw return levels and a control group: T1 (full return), T2 (root return), and CK (no straw return) Over a threeyear field experiment in 2018年2月15日 Due to frequent agricultural practices (eg direct straw returning and organic fertilizer application) and industrial activities (eg mining, smelting, and sewage irrigation), an increasing number of DOM and heavy metals has taken into farmland soil [1], [2], [3], [4]Interestingly, DOM can directly participate in the complexation process of heavy metals, Investigating binding characteristics of cadmium and copper 2019年8月13日 Irrigation methods and rice straw incorporation (RSI) are two major factors influencing CH4 emissions from paddy fields However, their effects have never been studied in an RSI/alternateyear system in the cold region of Northeast China The present study involved a 2year field experiment analyzing the effects of irrigation method and RSI on CH4 emissions Effects of irrigation method and rice straw incorporation on CH2017年8月3日 Effect of MineralBased Amendments on Rice (Oryza sativa L) Growth and Cadmium Content in Plant and Polluted Soil Ming Lei,1,* Liang Peng,1 Baiqing Tie,1 Bohan Liao,2 Colin D Hills,3 Zhengguo Song,4,* and Zhen Tang1 1College of Resource and Environment, Hunan Agricultural University, Changsha, PR China 2College of Environment, Effect of MineralBased Amendments on Rice (Oryza

Accumulation, translocation, and assessment of heavy
2018年9月17日 Paddy rice is considered as a main source for human exposure to heavy metal contamination due to its efficient accumulation of heavy metals especially when cultivated in contaminated fields In the current study, rice grains, straws, roots, and rhizosphere paddy soils were collected from Changsha, a nonferrous mineimpacted area in China Heavy metals 2024年6月21日 Straw returning has been shown to improve farmland soil, increase crop yield, and reduce global warming This study investigated the models of six rice strawreturning techniques based on the life cycle assessment method Compared to the direct modes, the indirect ones showed a greater environmental impact; up to 2056 times in acidification and A Comprehensive Assessment of Rice Straw Returning in 2018年2月15日 The compost (CP) sample used in this study was supplied by a commercial composting facility in Changsha that composted a mix of straw and chicken manure The rice straw (ST) was collected in paddy fields located in the outskirt of Changsha, China in fall 2015, right after harvest is essential for predicting the environmental behavior of Investigating binding characteristics of cadmium and copper 2022年7月15日 Corresponding Author Xiangmin Rong [ protected] College of Resources and Environment, Hunan Agricultural University, Changsha, PR China Hunan Provincial Key Laboratory of Farmland Pollution Control and Agricultural Resources Use, Hunan Provincial Key Laboratory of Nutrition in Common University, National Engineering Research Center for Partial substitution of chemical fertilizers with maize straw:
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Partial substitution of chemical fertilizers with maize straw:
2022年7月15日 Corresponding Author Xiangmin Rong [ protected] College of Resources and Environment, Hunan Agricultural University, Changsha, PR China Hunan Provincial Key Laboratory of Farmland Pollution Control and Agricultural Resources Use, Hunan Provincial Key Laboratory of Nutrition in Common University, National Engineering Research Center for 2017年12月16日 In the hilly areas of southern China, uplands and paddies are located adjacent to each other Using rice straw as mulch for upland soil may improve crop production and partially replace chemical fertilizers, which may mitigate N2O emissions A field experiment was conducted to investigate the potential of rice straw mulching for mitigating N2O emissions and increasing Effects of rice straw mulching on N2O emissions and maize 2021年6月15日 Straw returning to the field, mainly by increasing SOC to achieve carbon sequestration (Fan et al, 2014)The straw undergoes the process of mineralization and humification under suitable conditions after straw enters the soil (Zhu et al, 2014)Mineralization means that the components of straw changed from complex to simple under the action of Does continuous straw returning keep China farmland soil