A field experiment was carried out in hilly area of central Sichuan Basin to study the characteristics of phosphorus loss by runoff from slope cropland in purple soil.

• 通过对川中丘陵不同施肥试验田径流、泥沙和磷素流失的观测与测定分析,研究了暴雨下平衡施肥对紫色土坡耕地水土流失与土壤磷素随径流流失的特征。