Soil micro-ecosystem

• 肥效

Soil micro-ecosystem的用法和样例：

例句

1. Robinia pseudoacacia was better than Pinus tabulae formis in enhancing the soil fertility.
   在树龄相同的条件下刺槐林对土壤培肥效应优于油松林。
2. Illite belongs to clay minerals, it has absorbent ability and higher potassium, which can improve the soil fertility.
   伊利石属层状粘土矿物，具有吸水性，含钾较高，可以提高土壤肥效。