The Research Progresses,Problems and Prospects of Non-Point Source Pollution

One of the most important factors contributing to the deterioration in water quality is agricultural non-point source pollution.The research progresses of agricultural non-point source pollution are summarized in this paper,including the theoretic research,model study,control technique research,Best Management Practices,legislation research,etc..The problems existing in the control of agricultural non-point source pollution are also put forward in this paper,including the limitations of the current situations of China,the difficulties to take the place of chemical fertilizer and pesticide with the other low-polluted products,and the lack of the distinguished control between the non-point source pollution and point source pollution,ect..