To determine characteristics of rainfall and runoff with differing initial silvicultural prescriptions for a low efficiency Pinus massoniana forest, five adjacent runoff areas of Gaoxian County were studied. Five silvicultural prescriptions: Cinnamomum camphora planted under a P. massoniana forest(Ⅱ), C. camphora planted after clear cutting P. massoniana(Ⅲ, Ⅳ), C. camphora planted the second year after clear cutting P. massoniana(Ⅴ), and a P. massoniana forest as a control(I) were used to analyze rainfall, ...