Six microplots (with a length of 200 cm, width of 80 cm and depth of 80 cm) were subjected to artificial rain during the growing seasons from 2011 to 2013. The variables about runoff and sediment evolution as well as soil water content were studied. Results showed that: (i) the time to runoff initiation was significantly shorter under NC than in other treatments, and the runoff plateau, total runoff volume and sediment yield were highest under NC.