There is marked difference of mean weight diameter(MWD) and geometric mean diameter(GMD) among the three types of slope soil, and the values both show the following order: FS> NS > RF.

• 土壤颗粒平均重量直径和几何平均直径在不同类型边坡土壤之间存在显著差异，均表现为岩石源植生土＞自然边坡土＞农田源植生土。