Study on Control Measures of Non-point Source Pollution of Nitrogen and Phosphorus in Chaohu Lake Watershed

Based on the practical situation of non-point source pollution in Chaohu lake watershed,the variety and source of the non-point source pollution was analyzed,the control measures of non-point source pollution were studied,and some instruments to control the non-point source pollution and prevent the water pollution werer put forward by the BMPs,which were given from two aspects of the ground non-point source and the water area non-point source.