soil amendment

• 土壤改良剂

soil amendment的用法和样例：

例句

1. Gypsum can be used as a soil conditioner.
   石膏可以用作土壤改良剂。
2. Gypsum can be used as a soil conditioner.
   石膏可以用作土壤改良剂。
3. This has provided valuable data for work in soil improvement.
   这为土壤改良工作提供了宝贵资料。