Abstract: Based on the data from the runoff plots, analyzed on the regularity and affected factor of the runoff and sedi文摘:以径流小区的观测资料为依据，对陕西长武不同下垫面条件农田产流产沙规律及影响因素进行了分析，指出降雨强度、降雨历时、坡度和覆盖条件是影响黄土沟壑区农田产流产沙的最主要因素。