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 .