农业非点源污染环境影响及防治

Environmental Effect and Control of Pollution Caused by Agricultural Non-Point Sources

非点源污染也称面源污染,因其污染的时空范围广,不确定性大,污染严重,对其治理及管理的难度也较大。由于化肥和农药的大量使用,农业非点源已成为中国水环境的主要污染源。文章中对农业非点源污染的特点、来源和危害进行了系统论述,并提出防治农业非点源污染的具体措施建议。

Pottution Caused By Non-Point Sources Calls a Source Polluting too .Because the moment range of its pollution is wide,uncertainty is great,seriousy polluted the degree of difficulty of mangemeut is relatively great.Due to wide applications of fertilizers and pesticides, agricultural non-point sources has been the key pollution source of water environment in China。The characteristics, sources and harms of pollution caused by agricultural non-point sources are described systematically in this paper, furthermore, the concrete measures and proposals are presented for prevention and control of pollution caused by agricultural non-point sources。