目前，由污灌引发的重金属污染问题受到越来越多的关注。
Currently, the heavy metals pollution caused by irrigation is paid more and more attention.
研究了不同样品净化方法和方法组合在长年污灌的水稻土有机氯农药残留分析中的效果。
The procedure of sample preparation for residual analysis of organochlorinated pesticides in a paddy soil contaminated by long-term wastewater irrigation was investigated.
采用根垫法研究了玉米、大豆和小麦根际环境对污灌土壤中铜、镉、铅、锌形态的影响。
The effects of root system of corn, bean and wheat on the fractionation of copper, lead, cadmium and zinc in rhizosphere in farmland soil irrigated with wastewater were studied.
分析了农业中水污染的情况，指出不合理污灌、施肥、施药是引发面源污染的重要污染源。
After analyzing the water pollution in agriculture, the authors point out that irrational sewage irrigation, fertilization and pesticide application were the main origins for non-point pollution.
最主要的污染原因有：独特的水文地质条件，污灌，砂石坑垃圾回填，及区域地下水位下降。
The main pollution reasons include the species hydrogeologic conditions, sewage irrigation, landfill of municipal refuse, and regional groundwater drawdown.
加强科学管理和污灌指导，利用农田作为土地处理系统来消纳污水中耗氧有机物，是本地区近期可行的污水资源化途径之一。
It is one of feasible sewage revitalizing ways to enhance sewage irrigating management, by using farmland as the treatment system to eliminate pollution in foul water.
加强科学管理和污灌指导，利用农田作为土地处理系统来消纳污水中耗氧有机物，是本地区近期可行的污水资源化途径之一。
It is one of feasible sewage revitalizing ways to enhance sewage irrigating management, by using farmland as the treatment system to eliminate pollution in foul water.
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