soil biological crust

基本解释

Change of soil microbial content in different types of biological soil crust in Kubuqi Desert is studied.
在库布齐沙漠研究了不同类型生物结皮层土壤微生物含量的变化。
Biological crust improved nutrient and water condition of 0-5cm soil surface, thus there was positive effect.
促进作用主要是由于生物结皮的存在改善了土壤表层0-5cm的养分及水分状况；
The composition, distribution and quantity of soil microorganisms might be influenced by landform, existence of biological soil crust and organic matter contents.
土壤微生物的数量变化特征与生物结皮的类型、分布以及土壤有机质含量等因子有一定相关性。