A study has been carried out to examine the variation of microbial biomass and enzymic activity of different combinations of four types of soil from Xuzhou area.
研究了徐州地区四种土壤在不同组合条件下，土壤微生物数量、土壤酶活性的变化情况。
According to the natural factors of soil formation and the development, degree of soil, under the influence of human production activity, the Huangmian soils were devided into four types.
根据自然成土因素和在人为作用影响下的土壤熟化程度，将该小流域的黄绵土进一步划分为四种土壤类型。
In this paper, mathematical models of soil-water characteristic curve are studied and divided into four types by the patterns of mathematical models.
通过对土水特征曲线数学模型进行研究，依据这些模型的数学表达式形式，将其划分为四种类型。
应用推荐