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Soil microbial biomass and its controls

机译:土壤微生物量及其控制

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摘要

Microbial biomass represents a relatively small standing stock of nutrients, compared to soil organic matter, but it can act as a labile source of nutrients for plants, a pathway for incorporation of organic matter into the soil, and a temporary sink for nutrients. This review describes several factors controlling the dynamics of soil microbial biomass. These factors mainly include organic carbon and nitrogen limitation, residue and nutrient management, differences in plant species, soil texture, soil moisture and temperature. On the basis of detailed analysis, it is reasonable that future research would be focused on the impact of land use change on soil MB in tropical and subtropical ecosystems.
机译:与土壤有机质相比,微生物生物质代表的养分相对较少,但是它可以充当植物的养分的不稳定来源,有机质掺入土壤的途径以及养分的临时汇合地。这篇综述描述了控制土壤微生物生物量动态的几个因素。这些因素主要包括有机碳和氮限制,残留物和养分管理,植物种类,土壤质地,土壤湿度和温度的差异。在详细分析的基础上,未来的研究将集中在热带和亚热带生态系统中土地利用变化对土壤MB的影响上是合理的。

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