[名词解释] 土壤剖面(soil profile)
[名词解释] 土壤干旱(soil drought)
[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
[问答题] 对比土壤粒组、土壤质地、土壤结构的特点。
[名词解释] 土壤富集法 soil enrichment method