Nonpoint pollution control for rural areas of china with ecological engineering technologies .

用生态工程技术控制农村非点源水污染。

Compared with traditional uncovered farmland , a greenhouse region changes the runoff , erosion , and affects generation of nonpoint source pollutants .

相对于传统的露天种植，塑料大棚改变了降雨径流和土壤侵蚀过程，进而影响面源污染物的产生。

The features , harms and states quo of agricultural nonpoint pollution are discussed and concrete countermeasures and suggestion to prevent and control agricultural nonpoint pollution are put forward .

本文对农业面源污染的特点、危害和现状进行了论述，并提出防治农业面源污染的具体防治对策和建议。