NO3- --N contents at 1 m soil depth
Soil depth
土层深度
土层厚度
土壤剖面
土壤厚度
垂直侵蚀产沙
土壤深度
bare soil and soil with crop
composite soil nailing soil nailing and micro-pile
Coupled transport of soil water and soil heat
improving soil and enriching soil fortility
movement of soil water and soil salt
moving soil and improving soil fertility
Paddy soil derived from red soil
Paddy soil from red soil