The soil were divided into five groups of soil, e, g, lightclay, heavy loam, medium loam, light loam and sandy soil, using the group of soil texture of plowed layer as the mapping unit.
以耕层土壤质地类别作为制图单位,分为轻粘土、重壤土、中壤土、轻壤土和砂质土五种类型。
2
Lightloam and medium loam with less clay particles as fill earth had been extensively used in the construction of hydraulic fill dam in the Loess Plateau region.