简述了人工湿地的类型及去除氮、磷、有机物的主要机理、人工湿地内植物的作用及其它一些问题,从而说明了人工湿地作为一种造价低、运行简单及管理方便的农业面源污染控制系统在我国尤其是广大城镇和农村地区具有良好的应用前景。%This paper describes effect of agricultural non-point sourcewhich is harmful to water environment,the types of constructed wetland,the mechanism of nitrogen,phosphorous and organic compound removal,the choice of plants and their function in wetland.Because of its low-cost,easy operation and management,the constructed wetland will be wild used in non-point source pollution control in countryside.
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