Soil erosion and non point source pollution are two serious environmental issues.
土壤侵蚀与非点源污染是两大重要的环境问题。
AGNPS (agricultural non point source) model is a computer model specialized for predicting and evaluating the agricultural non point source pollution of a watershed.
AGNPS模型是美国研制的、专用于模拟小流域土壤侵蚀、养分流失和预测评价农业非点源污染状况的计算机模型。
Agricultural non point source pollution assessment is the basis of field management and water pollution control, which is significant when carrying out best management practices to farm ecosystems.
农业非点源污染的评价是农田管理和水质控制的基础工作，对实施农田最佳管理措施具有指导意义。
Agricultural non point source pollution is arising more and more attentions as one of the major causes leading to deterioration of water quality.
农业非点源污染作为引起水质恶化的主要原因之一，已越来越受到人们的重视。
Under the circumstance that point source pollution is basically controlled, non point source pollution has already become an important pollutant source.
在点源污染得到初步控制的情况下，非点源污染已经成为水源地的重要污染源。
The method integrates GIS, RS with pollutant loading receptor response model for reservoir water, agricultural non point source pollution simulation model and linear programming model.
该方法运用遥感数据，并以地理信息系统软件为平台集成了水库营养盐负荷浓度响应关系模型、农业非点源污染模拟模型和线性规划模型。
Agricultural drainage is one of important contributors of non-point source pollution, and it is difficult to treat in practice due to its dispersed nature.
农田排水是造成农业非点源污染的一个重要来源，由于其具有分散性而难以人为控制。
With the effective control of point source pollution, non-point source pollution becomes the main factor of water pollution.
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。
On the base of data from GIS and survey of study area on the spot, non-point source pollution load model of study area was constructed.
根据研究区域GIS数据信息及实地踏勘信息，借鉴国内外相关研究的模型模拟参数，在对研究区域进行概化的基础上，建立研究区域的非点源污染负荷模型。
A lot of fertilizer applications have become an important source of non-point source pollution in rural area, which affects the safety of surface water for drinking.
化肥的大量施用已成为农村面源污染的一个重要来源，直接影响到农村村镇地表饮用水安全。
With the point source pollution being reduced gradually, the non-point source pollution has become the main factor of the water pollution and tends to be worse.
随着点源污染得到逐步治理，面源污染已成为水体污染的主要原因，并有逐渐恶化的趋势。
In developed countries, point source pollution has been efficiently controlled and urban non-point source pollution caused by rainfall has become the main causation of water pollution.
在发达国家，点源污染基本得到有效控制，城市面源污染成为水体污染的主要因素。
The present situation of agricultural non - point source pollution in Jianyang was investigated, based on which, countermeasures are put forward.
就目前建阳市农业面源污染的现状进行调查，并提出防治对策。
With the control progressively given to urban point source pollution in Shanghai, the non-point source pollution has been getting more attention.
随着上海城区点源污染逐步得到控制，面源污染已受到高度关注。
With strengthening control of point source pollution, agricultural non-point source pollution will be the main pollution source to the Three-Gorge Reservoir area.
随着点源污染的有效治理，农业面源污染将成为三峡库区水体的最主要污染源。
The proportion of non - point source pollution in Erhai lake is increasing; the agricultural non - point source pollution has taken place of point source pollution to become the main pollution source.
洱海面源污染的负荷比重在上升，农业面源污染已经取代点源成为水环境污染的重要来源。
With the strengthened control of point source pollution, the non-point source pollution gradually becomes the major parts of pollution in Chinese rural rivers.
随着点源污染控制的加强，非点源污染逐步成为我国乡村流域污染物构成的主体。
So it is necessary to analyze and evaluate the cost and benefit of BMPs applied in agricultural non-point source pollution prevention.
因此，对最佳管理措施在控制农业非点源污染中的成本与效益进行经济分析和评价，是十分必要的。
The necessity and feasibility of special environmental economic policies to control agricultural non-point source pollution were briefly analyzed.
阐述了环境经济手段在我国农业非点源污染控制中应用的必要性和可行性。
Agriculture non-point source pollution has become one of the most important source pollution of Qiandao lake area with the control of the point source pollution.
随着对点源污染管理力度的增大，农业面源污染已逐渐成为千岛湖区域的主要污染源之一。
So the agricultural non-point source pollution has been considered as the main pollution source of eutrophication.
因此农业面源污染已被视为水体富营养化的主要污染源。
As an effective tool to control non-point source pollution, constructed wetlands are increasingly recognized by many countries.
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。
Nutrient export coefficient of land use is an important parameter for constructing model of non-point source pollution.
各种土地利用类型营养盐输出系数是建立非点源污染模型的重要参数。
With the increase of modern agricultural inputs, the influence of non-point source pollution in the environment caused by agricultural production and rural life has become increasingly prominent.
近年来，随着农业投入的不断增加，该区农业生产和农村生活造成的农业面源污染日益凸显。
The study on watershed distribution of agricultural non - point source pollution is important to improve environmental quality.
农业非点源污染的流域分配研究对于提高环境质量具有重要的现实意义。
SWAT model was used to evaluate agricultural non - point source pollution of Daning River watershed.
以大宁河流域为研究区域，应用SWAT模型进行了流域农业非点源污染负荷的模拟计算。
We will prohibit the relocation of urban polluting enterprises and dispersal of urban polluting materials in the countryside, and control non-point source pollution in rural areas.
禁止污染企业和城市污染物向农村扩散，控制农村面源污染。
The overall schemes of research are introduced briefly and the research approaches of the non-point source pollution loads are discussed in this paper.
简要介绍本研究的总体方案，探讨城区地表径流污染、农业地表径流污染、畜禽养殖业污染和大气湿沉降污染的研究方法。
The overall schemes of research are introduced briefly and the research approaches of the non-point source pollution loads are discussed in this paper.
简要介绍本研究的总体方案，探讨城区地表径流污染、农业地表径流污染、畜禽养殖业污染和大气湿沉降污染的研究方法。
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