[名词解释] 生理干旱(physiological drought)
[名词解释] 大气干旱(atmosphere drought)
[名词解释] 土壤剖面(soil profile)
[名词解释] 土壤多糖 soil polysaccharide
[名词解释] 土壤结构(soil structure)
[名词解释] 土壤质地(soil texture)
[名词解释] 土壤酸度(soil acidity)
[名词解释] 草原土壤(steppe soil)
[名词解释] 土壤酶学 soil enzymology
[名词解释] 土壤的粒组(soil separates)