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。
The necessity and feasibility of special environmental economic policies to control agricultural non-point source pollution were briefly analyzed.
定量描述大豆生物固氮量对于施肥管理以及农业非点源污染控制具有十分重要的意义。
It is important to quantitatively characterize biological nitrogen fixation (BNF) of soybean for farmland fertilizer management and non-point source pollution control.
植被浅沟是一种生态型的雨水收集、输送和净化措施，被广泛地用于城市园区雨水利用和城市径流非点源污染控制系统。
Glassed swale, which is widely used in urban stormwater management is an ecological facility of rainwater collection, convey and purification.
象农业使用中飘散的杀虫剂这类“非点源”污染又如何控制？这更是个长久和难缠的辩论题。
How to regulate "non-point source" pollution, such as pesticides from agricultural run-off, is a continuing, and harder, debate.
国内外许多研究表明，自然湿地能有效地控制非点源污染。
Many studies show that wetlands can control the non-point source pollution effectively.
掌握城区雨水径流水质及其主要的影响因素是有效地利用城区雨水资源和控制城市非点源污染的基础。
It is a critical basis for utilization of rainfall resource and pollution control of runoff in urban area to understand runoff quality and its main influential factors.
应用“3s”技术进行农业非点源污染预测、控制和管理是最新的动向。
Applying "3s" technology to predicting, controlling and managing ANPSP (Agricultural Non Point Sources Pollution) is a new trend.
水稻覆膜旱作栽培方式能对施肥造成的稻田地下水水质非点源污染起到良好的控制效果。
It has been proved that the film mulching cultivation had better control of underground water pollution caused by fertilizer application in rice field.
因此，控制排水措施具有节约灌溉用水和减少农业非点源污染的重要意义。
It may conclude that the drainage control plays a significant role in water saving and non-point source pollution reduction.
与点源污染相比，非点源污染具有随机性、间歇性、滞后性、复杂性等特点，不易控制和治理。
In contrast with point source pollution, non-point pollution is difficult to control and prevent because of its randomicity, intermittence, hysteresis and complexity.
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。
With the strengthened control of point source pollution, the non-point source pollution gradually becomes the major parts of pollution in Chinese rural rivers.
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。
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.
由于没有固定的污染源，控制非点源污染要比控制点源污染困难得多。
Because of not having a fixed point sources, it was difficult to control non-point sources.
由于没有固定的污染源，控制非点源污染要比控制点源污染困难得多。
Because of not having fixed point sources, it was difficult to control non - point sources.
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。
Under the circumstance that point source pollution is basically controlled, non point source pollution has already become an important pollutant source.
随着点源污染控制加强，非点源问题更加突出。
With the effective control of source pollution, non-point source pollution becomes more outstanding.
土壤养分的平衡分析结果表明，成都平原耕地土壤管理宜采取“稳氮、控磷、增钾”的施肥方法和严格控制各种点源和非点源污染物进入土壤。
The balance analysis results of soil nutrient indicated that the fertilization methods of cropland management in Chengdu Plain were firming nitrogen, controlling phosphorus and increasing potassium.
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。
So it is necessary to analyze and evaluate the cost and benefit of BMPs applied in agricultural non-point source pollution prevention.
流域泥沙与非点源污染负荷的模拟与预测是水土保持和水污染控制管理的重要基础。 暴雨产沙与产污量过程的计算是模拟预测的一个重要环节。
For water and soil conservation and water pollution control, it is very important to simulate and predict the yield of sediment and pollutant during storm-runoff.
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 assessment is the basis of field management and water pollution control, which is significant when carrying out best management practices to farm ecosystems.
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.
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.
并介绍了当前非点源污染管理与控制方面研究进展。
And also the research progress of management and control was summarized in the paper.
根据上述研究结论，本论文针对不同类型的农业非点源污染提出了初步的控制对策。
Base on the study, the paper also proposed some controlling countermeasures for the different agriculture non-point source in the Yuqiao Reservoir periphery area.
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.
随着点源污染控制水平的提高，非点源污染问题日益突出。
With the improvement of the standards in point-source pollution control, the issues of non-point source (NPS) pollution become increasingly prominent.
随着点源污染控制水平的提高，非点源污染问题日益突出。
With the improvement of the standards in point-source pollution control, the issues of non-point source (NPS) pollution become increasingly prominent.
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