通用土壤流失方程已在许多国家研究推广应用。本文根据黄土高原的以往径流小区实测资料,分析提出了适合于这一地区的土壤流失方程的降雨侵蚀力指标和地形因子的关系式,文中还就我国设立标准小区的选用规格提出了看法。 Universal soil loss equation has been studied and promoted in many countries. Based on the measured data of previous runoff plots in the Loess Plateau, this paper analyzes the relationship between the rainfall erosivity index and the topographic factors that are suitable for the soil loss equation in this region. The paper also puts forward some opinions on the selection criteria for setting standard plots in China.