And agricultural non-point source pollution is the top priority.

而农业面源污染又是重中之重。

Many studies show that wetlands can control the non-point source pollution effectively.

国内外许多研究表明，自然湿地能有效地控制非点源污染。

With the effective control of source pollution, non-point source pollution becomes more outstanding.

随着点源污染控制加强，非点源问题更加突出。

The agricultural Non-Point source pollution is a ubiquitous environmental question in the whole world.

农业面源污染是全世界普遍存在的环境问题。

The non-point source pollution caused by agriculture is the main source of today's environmental pollution.

农业非点源污染是当今环境污染的重要来源之一。