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Regulation of Soil Microbial Community Structure and Biomass to Mitigate Soil Greenhouse Gas Emission

文献类型： 外文期刊

作者： Muhammad, Ihsan 1 ; Lv, Ju Zhi 3 ; Wang, Jun 2 ; Ahmad, Shakeel 1 ; Farooq, Saqib 1 ; Ali, Shamsher 4 ; Zhou, Xun Bo 1 ;

作者机构： 1.Guangxi Univ, Key Lab Crop Cultivat & Tillage, Guangxi Coll & Univ, Agr Coll, Nanning, Peoples R China

2.Northwest Univ, Coll Urban & Environm Sci, Shaanxi Key Lab Earth Surface Syst & Environm Carr, Xi'an, Peoples R China

3.Guangxi Acad Agr Sci, Maize Res Inst, Nanning, Peoples R China

4.Univ Agr, Dept Soil & Environm Sci, Peshawar, Pakistan

关键词： cover crops; soil microbial community structure; greenhouse gas emission; decomposition; cover crop management practices

期刊名称：FRONTIERS IN MICROBIOLOGY （ 影响因子：6.064； 五年影响因子：6.843 ）

ISSN：

年卷期： 2022 年 13 卷

页码：

收录情况： SCI

摘要： Sustainable reduction of fertilization with technology acquisition for improving soil quality and realizing green food production is a major strategic demand for global agricultural production. Introducing legume (LCCs) and/or non-legume cover crops (NLCCs) during the fallow period before planting main crops such as wheat and corn increases surface coverage, retains soil moisture content, and absorbs excess mineral nutrients, thus reducing pollution. In addition, the cover crops (CCs) supplement the soil nutrients upon decomposition and have a green manure effect. Compared to the traditional bare land, the introduction of CCs systems has multiple ecological benefits, such as improving soil structure, promoting nutrient cycling, improving soil fertility and microbial activity, controlling soil erosion, and inhibiting weed growth, pests, and diseases. The residual decomposition process of cultivated crops after being pressed into the soil will directly change the soil carbon (C) and nitrogen (N) cycle and greenhouse gas emissions (GHGs), and thus affect the soil microbial activities. This key ecological process determines the realization of various ecological and environmental benefits of the cultivated system. Understanding the mechanism of these ecological environmental benefits provides a scientific basis for the restoration and promotion of cultivated crops in dry farming areas of the world. These findings provide an important contribution for understanding the mutual interrelationships and the research in this area, as well as increasing the use of CCs in the soil for better soil fertility, GHGs mitigation, and improving soil microbial community structure. This literature review studies the effects of crop biomass and quality on soil GHGs emissions, microbial biomass, and community structure of the crop cultivation system, aiming to clarify crop cultivation in theory.

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