soil ecosystem

• 土壤生态系统

soil ecosystem的用法和样例：

例句

1. The abundance and availability of water and nutrients in a soil ecosystem determine its fertility.
   土壤生态系统中水分和养分的丰度和有效性决定土壤的肥力。
2. The interrelations between acid rain and soil ecosystem are analysed.Acid rain could change soil acidity, enhance soil toxicity, reduce soil active,destroy soil structure.
   酸雨能改变土壤生态系统中土壤酸碱性，增加土壤毒害，降低土壤活性，破坏土壤结构，同时土壤生态系统影响酸雨的形成和污染。