...“3414”试验；肥力；面源污染；陇西河流域 [gap=1541]Key words： rice； “3414” test； fertility； area-source pollution； Longxi river basin ...
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Agricultural Area Source Pollution Control 农业面源污染控制
farm area-source pollution 农村面源污染
agricultural area-source pollution 农业面源污染
control of area-source pollution 控制面源污染
The water pollution can be divided into two major categories of point source and area-source pollution according to the different way of discharge.
根据排放方式的不同，水体污染可以分为点源污染和非点源污染两大类。
Therefore, it is meaningful to carry out empirical studies on the risk management theory and assessment method in terms of the accidental pollution events in source water area.
因此，从水源地安全的角度出发，针对水源地突发性污染事件进行风险评价理论及方法的实证研究，具有一定的现实意义。
The domestic sewage discharge is the important source of non-point pollution in rural area.
农村生活污水是农村面源污染的重要来源。
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