Soilihi萨利赫soiln.土地；土壤；污物，粪便v.弄污soil forming source rocks成土母岩soil copper contamination土壤铜污染Soil anaerobic incubation厌氧培养Soil phosphorus activator土壤磷素活化剂soil salinity measurement土壤盐分测定soil-nailing protection土钉支护soil particle composition土壤颗粒组成Soil conservation tillage土壤保持耕作soil fertility exhaustion地力消耗soil and water protection水土保持

1. The lithosphere is the soil mantle that wraps the core of the earth.
   岩石圈就是包裹在地核外的土壤表层。
2. Mulches prevent crusting of the soil surface, thus improving the absorption and movement of water into the soil.
   覆盖物可以防治土壤表层板结，使水份容易被土壤吸收。