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。
As an effective tool to control non-point source pollution, constructed wetlands are increasingly recognized by many countries.
在阐述非点源污染的概念、危害性的基础上，对国内外地表水环境非点源污染研究现状进行综述。
On the basis of expounding the conception, harmfulness of nonpoint source, summarize the current situation of the study of surface water environment's nonpoint source pollution at home and abroad.
非点源污染负荷在水环境污染中所占比例日益增大，而农业生产活动又是最大的非点源污染。
The proportion of non-point sources in water environmental pollution was greater than before, and farming activity was the most important factor in agricultural non-point sources.
加上农村生活污染、城市径流污染、畜禽养殖污染及农田径流等非点源污染的影响，水环境已难承其重。
The effects of country living contamination, urban runoff contamination, livestock and poultry farm runoff and other pollutions on the water environment make the water body suffering hard.
随着点源污染的有效管理和控制，非点源污染已成为水环境污染的主要原因。
With the effective control of point source pollution, non-point source pollution becomes the main factor of water pollution.
由于化肥和农药的大量使用，农业非点源已成为中国水环境的主要污染源。
Due to wide applications of fertilizers and pesticides, agricultural non-point sources has been the key pollution source of water environment in China.
因此，非点源污染负荷的定量化对流域水污染控制和水环境综合治理就显得越来越重要。
As a result, the quantification of NSP becomes vital important for water pollution control and water environment comprehensive management.
农业非点源污染已成为世界各国水环境污染的主要污染源之一。
Agricultural non-point source pollution has become one of the most important sources of the world's water pollution.
农业非点源污染已成为世界各国水环境污染的主要污染源之一。
Agricultural non-point source pollution has become one of the most important sources of the world's water pollution.
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