Study on the status of agricultural non-pointing source(NPS)pollution in Three-Gorges Area and its control countermeasures

The status and causation of the agricultural non-pointing source pollution in the Three-Gorges Area are stated in this paper．In order to control the pollution，the strategy of agricultural development must be adjusted，which includes establishing the prevenient warning monitor net system ，founding the sustainable development eco-agricultural models，bringing the agricultural produce into standardization，cleanness and free-contaminate，building the biological isolation belt in the bank of the Three-Gorges Area，as well as continuing to strength the legislation of agricultural environment protection．