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Soil science
That science dealing with soils as a natural resource on the surface of the earth including soil formation, classification and mapping; physical, chemical, biological, and fertility properties of soils per se; and these properties in relation to the use and management of soils.
土壤学的贡献者
Soil science
暗灰色 gleysolic 土壤
地球科学; 土壤学
术语用于在加拿大描述广布的组的不完善给排水不良的森林土壤有暗灰的视野,较高的有机质,抚斑驳的灰色或者带褐色潜育性矿物的视野。他们有纹理的分化程度较低的 ...