Impacts of crop residues on soil health: a review

文献类型： 外文期刊

第一作者： Chen, Ling

作者： Chen, Ling;Huang, Hongying;Qu, Ping;Chen, Ling;Huang, Hongying;Qu, Ping;Chen, Ling;Huang, Hongying;Qu, Ping;Fu, Bin;Wei, Zhenggui

作者机构：

关键词： Crop residues; soil quality; soil remediation; heavy metals; organic pollutants; pathogens

期刊名称：ENVIRONMENTAL POLLUTANTS AND BIOAVAILABILITY （ 影响因子：1.737； 五年影响因子：1.737 ）

ISSN： 2639-5932

年卷期： 2021 年 33 卷 1 期

页码：

收录情况： SCI

摘要： Crop residues are mainly post-harvest remains of agriculture. The organic matters, nutrients, and hollow structures of crop residues enable them to be applied in agriculture. In this review, we summarize the impacts of crop residues on soil health. Crop residue returning is beneficial to soil physicochemical properties. Soil water content, total porosity, aggregate stability, cation exchange capability (CEC), organic carbon, phosphorus, and potassium all increased after being amended with crop residues. The negative effects of allelochemicals from crop residues on crop growth can be adjusted by crop residue returning management. The rice straw has positive impacts on soil microbial properties. Besides, crop residue play a crucial part in soil remediation. Crop residues as soil amendments have inhibitory effects on some heavy metals, organic pollutants, and pathogens. They can also alleviate the pressure of saline-alkali soil. Finally, we provide some suggestions for improving soil health with crop residues.

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