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Quantifying the mitigating effect of organic matter on heavy metal availability in soils with different manure applications: A geochemical modelling study

文献类型：期刊论文

作者Li, Jing6,7; Xu, Yan6,7; Zhang, Yitao7; Liu, Zhen4,5; Gong, Huarui4,5; Fang, Wen3; Ouyang, Zhu5; Li, Weiwei2; Xu, Li1
刊名ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY
出版日期2024-05-01
卷号276页码:116321
关键词manure-fertilizer soil heavy metal pH leaching geochemical model organic matter
DOI10.1016/j.ecoenv.2024.116321
产权排序1
文献子类Article
英文摘要Manure is one of the main sources of heavy metal (HM) pollution on farmlands. It has become the focus of global ecological research because of its potential threat to human health and the sustainability of food systems. Soil pH and organic matter are improved by manure and play pivotal roles in determining soil HM behavior. Geochemical modeling has been widely used to assess and predict the behavior of soil HMs; however, there remains a research gap in manure applications. In this study, a geochemical model (LeachXS) coupled with a pHdependent leaching test with continuously simulations over a broad pH range was used to determine the effects and pollution risks of pig or cattle manure separate application on soil HMs distribution. Both pig and cattle manure applications led to soil pH reduction in alkaline soils and increased organic matter content. Pig manure application resulted in a potential 90.5-156.0 % increase in soil HM content. Cattle manure did not cause significant HM contamination. The leaching trend of soil HMs across treatments exhibited a V-shaped change, with the lowest concentration at pH = 7, gradually increasing toward strong acids and bases. The dissolved organic matter-bound HM content directly increased the HM availability, especially for Cu (up to 8.4 %) after pig manure application. However, more HMs (Cr, Cu, Zn, Ni) were in the particulate organic matter-bound state than in other solid phases (e.g., Fe-Al(hydr) oxides, clay minerals), which inhibited the HMs leaching by more than 19.3 % after cattle manure application. Despite these variations, high HM concentrations introduced by pig manure raised the soil contamination risk, potentially exceeding 40 times at pH +/- 1. When manure is returned to the field, reducing its HM content and mitigating possible pollution is necessary to realize the healthy and sustainable development of circular agriculture.
WOS关键词ZINC ; PHYTOAVAILABILITY ; COLUMN ; COPPER
WOS研究方向Environmental Sciences & Ecology ; Toxicology
WOS记录号WOS:001229175600001
出版者ACADEMIC PRESS INC ELSEVIER SCIENCE
源URL[http://ir.igsnrr.ac.cn/handle/311030/205382]  
专题生态系统网络观测与模拟院重点实验室_外文论文
通讯作者Xu, Yan
作者单位1.Beijing Acad Agr & Forestry Sci, Inst Qual Stand & Testing Technol, Beijing 100097, Peoples R China
2.Nat Resources Bur Yucheng City, Dezhou 251299, Shandong, Peoples R China
3.Nanjing Univ, Sch Environm, State Key Lab Pollut Control & Resource Reuse, Nanjing 210023, Jiangsu, Peoples R China
4.Shandong Dongying Inst Geog Sci, Dongying 257000, Peoples R China
5.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Yellow River Delta Modern Agr Engn Lab, Beijing 100101, Peoples R China
6.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
7.Chinese Acad Sci, Key Lab Ecosyst Network Observat & Modeling, Inst Geog Sci & Nat Resources Res, Beijing 100101, Peoples R China
推荐引用方式
GB/T 7714		 Li, Jing,Xu, Yan,Zhang, Yitao,et al. Quantifying the mitigating effect of organic matter on heavy metal availability in soils with different manure applications: A geochemical modelling study[J]. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY,2024,276:116321.
APA Li, Jing.,Xu, Yan.,Zhang, Yitao.,Liu, Zhen.,Gong, Huarui.,...&Xu, Li.(2024).Quantifying the mitigating effect of organic matter on heavy metal availability in soils with different manure applications: A geochemical modelling study.ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY,276,116321.
MLA Li, Jing,et al."Quantifying the mitigating effect of organic matter on heavy metal availability in soils with different manure applications: A geochemical modelling study".ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 276(2024):116321.

入库方式： OAI收割

来源：地理科学与资源研究所

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