This article first introduced the non- point source and Guangdong non-point source survey,and through computation discovery,the village life waste water and the solid reject, the chemical fertilizer agricultural chemicals use, the disperser -like raising poultry waste water, soil erosion and so on the non- point source pollution basically with the cities surface runoff occupies the water body pollution always to shoulder one half.
基于1个网页-相关网页
应用推荐