Investigating the Effects of Land Use, Land Slope and Soil Properties on Sediment Yield in the Sub-Catchment of Karkheh Watershed Basin in Lorestan Using an Artificial Rainfall Simulator
                        
                        
                        
                        
                        Using a special empirical model to estimate sediment yield of Koohbord dam watershed in Kohgilouyeh County
                        
                        
                        
                        
                        Effect of rice straw and wood chips on Soil erosion and seedling growth on the fill slope of forest roads