The content of soil organic matters is different in different ways of land use.
不同的土地利用方式下，土坡的有机质含量是不同的。
Soil organic matters are an important factor affecting the formation of soil structure.
土壤有机质是形成土壤结构的重要因素。
Generally, its main approach is affecting contents of soil organic matters and nutrient.
土壤侵蚀主要通过影响土壤养分含量来影响土壤生产力。
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