soil testing

例句：

1. 1. Soil testing isessential for determining the quality ofsoil before planting.
   土壤测试对于在种植前确定土壤质量至关重要。
2. 2. The companyconducted soil testing to ensure the safety ofthe crops.
   该公司进行了土壤测试以确保农作物的安全。
3. 3. The results of the soil testing showedthat the soil was lacking in nutrients.
   土壤测试结果显示土壤缺乏养分。