As an effective tool to control non-point source pollution, constructed wetlands are increasingly recognized by many countries.

人工湿地作为一种控制水环境非点源污染的有效工具，已被世界上很多国家所认可。

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We will prohibit the relocation of urban polluting enterprises and dispersal of urban polluting materials in the countryside, and control non-point source pollution in rural areas.

禁止污染企业和城市污染物向农村扩散，控制农村面源污染。

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Comprehensively promote the agricultural non-point source pollution control, the completion of the scale of livestock on hand for more than 100 pig farms (households) rectification task.

全面推进农业面源污染治理，完成存栏生猪100头以上规模养殖场(户)整治任务。

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But today's problem of non-point source pollution is more difficult to control.

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