According to the investigation, the main causes of agricultural nonpoint source pollution have been analysed.
在调查的基础上，分析了淮安市农业非点源污染的主要原因，并据此提出了一些防治对
So carrying out the research on Nonpoint Source Pollution is important to water environment quality and economics development.
因地，要从根本上缓解我省水资源紧张的局面，彻底改变水体的水质状况是迫切需要解决的问题。
The government should strengthen the agricultural environmental policy, and intensify the agricultural nonpoint source pollution control.
政府应强化农业环境政策的干预力度，加大对农业面源污染的治理力度。
Urban roof is one of the components of urban imperviable areas and the roof runoff is an important source of urban nonpoint source pollution.
城市屋面是城市不透水面积的一个重要组成部分，屋面径流是城市非点源污染的一个重要来源。
The investigation results could supply scientific foundation and reference for appropriate fertilization, sitespecific management and effectively controlling agricultural nonpoint source pollution for local area and similar areas in the Yangtze River Delta.
研究结果可为当地以及长江三角洲同类型地区在科学施肥、实行养分的分区管理以及农业面源污染的控制方面提供一定的科学依据和借鉴参考。
The study focused on abundance, speciation, transformation and transport condition and character of nutrients, e. g., nitrogen and phosphor, and heavy metal, e. g., mercury, in atmosphere, hydrosphere, pedosphere. Natural and anthropogenic factors that influenced the fate of those pollutants were also studied. The study scopes of nonpoint source pollutant were extended to heavy metal.
重点研究了营养元素氮、磷和重金属元素汞在大气、水、土壤各圈层中的丰度、形态转化、迁移条件和特征，以及影响这些物质运动的自然及人为因素，将非点源污染物研究的范围扩展到重金属污染物。
With more control of point source pollution, nonpoint source pollution attracted more and more attention.
随着城市点源污染控制程度的提高，雨水径流引起的面源污染日益突出。
Water pollutants are categorized as point source or nonpoint source, the former being identified as all dry weather pollutants that enter watercourses through pipes or channels.
水污染物分为点源和非点源，前者认为所有干燥空气污染物通过水管或管道进入水道。
The degree of enrichment, expressed as the enrichment ratio, must be known to estimate and predict nonpoint source pollution.
富集率是进行非点源污染评价与预报的重要参数。
The result of this paper can bring some reasonable basis and help to the control of agricultural nonpoint source pollution and farmland rational fertilization.
本文的研究成果对农业面源污染的有效控制和农田合理施肥可以提供一些理论依据。
Receive much concern. Compared with the atmospheric particles and soil, urban dust study involving special environmental information and indication effect is said to have properties of wide distribution, convenient sampling and close relation with nonpoint source pollution.
与城市大气颗粒物和土壤的研究相比，城市灰尘的研究包含特定的环境信息和指示作用，且具有分布范围广、取样方便、代表性强、与非点源污染联系紧密等独特的环境特征。
However, due to the difficulty of load estimation and control, the nonpoint source contamination problem has not been effectively addressed.
但由于非点源总量估算和控制难度较大，其污染问题一直没有得到有效的解决。
The System of Economic Policies for Control and Management of Agricultural Non-point Sources Pollution. 2004, Workshop on Crop production and Nonpoint source pollution, Beijing, China.
农业非点源污染及其管理。第一届全国农业面源污染及其防治学术会议，中国昆明，2004。
In addition, attentions should also be paid to nonpoint source pollution within the ambient area of Shanghai city, among which the domestic animal dejecta, living pollution, pesticide and fertilizer pollution are of importance.
另外，上海周边地区非点源污染问题也日益突出，其中畜禽尿粪污染、生活污染以及农药和化肥污染在非点源污染中更为显著。
Through the case study of agricultural nonpoint source pollution control planning for the drinking water catchment of Southeast China's Xiamen City, the grey planning of watershed environmental system is studied in this paper.
本文以厦门市饮用水源流域农业非点源污染控制规划为实例，探讨了流域环境系统规划的灰色方法问题。
Study on Load of Nonpoint Source Pollution in the Second Songhua River Basin
第二松花江流域非点源污染输出负荷研究
The main conclusions of this article are listed as follows: (1) Crop production lands'TN and TP nonpoint source pollution occupies 50% of the total pollutions.
本文的主要研究内容和结论有以下几个方面：（1）种植业用地的TN、TP非点源污染负荷比例均占总负荷50%强。
Topography and vegetation cover rate were two of the most important influence factors of nonpoint source pollution.
地形和植被覆盖度是最重要的两个面源污染影响因素。
The3R theory was explained in this study, and testified using two typical examples of controlling agricultural nonpoint source pollution in Taihu Lake and Dianchi Lake watersheds, respectively.
在阐述了该理论后，从太湖流域和滇池流域典型区域农业面源污染控制的实践案例进行验证。
Tri-dimension pollution from Agriculture (TDPA) is rather a new concept which is directly related to the pollution of a point or nonpoint source, but quite different from it.
农业立体污染是个全新的理念，与点源污染、面源污染有直接的关联，但又有质的差别。