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氮流失形成的面源污染及防控措施研究

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氮素是化肥中使用量最大的营养元素,其循环过程产生的氮损失是形成面源污染的主要原因。论述了农业生态系统氮循环过程中氮的输入与输出,氮流失造成面源污染的原因及途径,提出具体的防控措施,以期减少农业生态系统中的氮流失。
Non-Point Source Pollution Formed by Nitrogen Losses and Control Measures
The utilization quantity of nitrogen fertilizer is the largest among nutrition elements in agricultural production. Nitrogen loss of the circle track was the main cause of non-point source pollution. The input and output of nitrogen in agricultural ecological cycle ,reasons and ways of non-point source pollution formed by nitrogen losses were discussed. Some control measures were put forward, so as to reduce nitrogen loss in agricultural ecosystem.

nitrogen lossnitrogen cyclenon-point source pollutioncontrol measures

罗雅莹、杨志新

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云南农业大学资源与环境学院,云南昆明650201

氮流失 氮循环 面源污染 控制措施

2012

现代农业科技
安徽省农业科学院

现代农业科技

影响因子:0.355
ISSN:1007-5739
年,卷(期):2012.(9)
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