定西县鹿马岔小流域土壤研究

Soil Investigation in Lumacha Dingxi County,

通过野外39个土壤剖面的观察和对主要剖面的室内常规分析,取得了该小流域的土壤资料。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。为建立农、林、牧综合性科研基地,为该小流域的综合开发治理,因地制宜的充分利用其土壤资源,提供科学依据。

Through field observation of 39 soil profiles and laboratory analysis of samples obtained from the main profiles,the author obtained soil data concerning the petty rainage area of Lumacha in Dingxi, Gansu province.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.These might be conductive to the,full utilization of the soil resources in this or similar area,