壤

例句：

1. 1. The farmer needs to prepare the soil for planting.
   农民需要准备土地进行种植。
2. 2. The soil is rich in nutrients that plants need.
   土壤富含植物所需的养分。
3. 3. The scientist studied the soil's composition and its effects on plant growth.
   科学家研究了土壤的成分及其对植物生长的影响。