引言水是人类赖以生存的物质,良好的水资源是我国实现“生产发展、生活宽裕、乡村文明、村容整洁”的小康社会的重要基础和保证。然而,近年来,随着我国经济的不断发展,人们生活方式发生了很大的变化,我国农业集成化和农村经济均得到飞速发展,人们过多的追求经济利益而大量使用化肥等,使得农村水资源污染日益加剧。再加上农村中生活垃圾、生活污水等不采取措施直接排放到河流中,从而造成水资源污染严重,并且农村水污染已 Introduction Water is the material upon which mankind depends, and good water resources are an important foundation and guarantee for our country to realize a well-to-do society such as “productive development, well-to-do life, rural civilization, clean and tidy villages.” However, in recent years, as China’s economy continues to develop, people’s lifestyles have undergone great changes. China’s agricultural integration and rural economy have witnessed rapid development. People are excessively pursuing economic interests and making heavy use of chemical fertilizers, making rural areas Water pollution is increasing. Coupled with the rural life garbage, domestic sewage and other measures not directly discharged into the river, resulting in serious water pollution, and rural water pollution has been