坡面径流和侵蚀泥沙是磷素进入洋河水库的主要非点污染源。

Runoff and soil losses from agricultural fields were considered as the major non-point sources of phosphorus entering the Yanghe Reservoir.

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农业是主要的非点状污染源。

Agriculture is the main non-point pollution sources.

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如果管理得当，湿地可以帮助防止非点，有辱人格的水质污染源。

When properly managed, wetlands can help prevent non-point source pollution from degrading water quality.

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如果管理得当，湿地可以帮助防止非点，有辱人格的水质污染源。

When properly managed, wetlands can help prevent non-point source pollution from degrading water quality.

youdao