soil biological crust

基本解释

Change of soil microbial content in different types of biological soil crust in Kubuqi Desert is studied.
在庫佈齊沙漠研究了不同類型生物結皮層土壤微生物含量的變化。
Biological crust improved nutrient and water condition of 0-5cm soil surface, thus there was positive effect.
促進作用主要是由於生物結皮的存在改善了土壤表層0-5cm的養分及水分狀況；
The composition, distribution and quantity of soil microorganisms might be influenced by landform, existence of biological soil crust and organic matter contents.
土壤微生物的數量變化特征與生物結皮的類型、分佈以及土壤有機質含量等因子有一定相關性。