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农学学报

农学学报 ›› 2013, Vol. 3 ›› Issue (1): 41-44.

所属专题： 土壤重金属污染； 现代农业发展与乡村振兴

• 土壤肥料 资源环境 生态 • 上一篇    下一篇

扬州市邗江区农业面源污染现状与对策浅析

刘宇庆 刘燕 杨晓东 陈静 刘金龙   

  • 收稿日期:2012-10-10 修回日期:2012-10-25 出版日期:2013-01-20 发布日期:2013-01-20

Situation of Agricultural Non-point Pollution and Countermeasures in Hanjiang District, Yangzhou City

  • Received:2012-10-10 Revised:2012-10-25 Online:2013-01-20 Published:2013-01-20

PDF (PC)

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摘要：

为全面了解和掌握邗江区农业面源污染现状和成因，采用综合调查的方法，研究邗江区13个乡镇区域内各类农业污染源的产生与排放，并对污染现状进行了评价。结果表明，在该区域内氮磷钾总投入量为15835.5 t，畜禽养殖业污水日产量为68.85 t，水产养殖水面使用药物为79.5 kg/hm2，是区域内水体富营养化风险的主要构成因子，也是农业面源污染防控的重点。并针对农业面源污染的特点，提出相应的防治对策。

关键词: 割草场, 割草场, 水肥耦合, 生物量, 植物多样性

Abstract:

In this study, the authors comprehensive investigated the agricultural non-point pollution for Hanjiang district, summed up the situation of the agricultural non-point pollution and analyzed the reason of the agricultural non-point pollution occurrence. The results showed that, the main agricultural NPS pollutants were: in the area of NPK total investment to amount to 15835.5 t, livestock and poultry aquaculture wastewater output was 68.85 t, aquaculture water use of medication for 79.5 kg/hm2. Indicating that loss of N and P from planting might be the main factor leading to water body eutrophication, which was suggested to be the key for agricultural non-point pollution prevention and controlling. In the end, it had proposed the countermeasures of the agricultural non-point pollution, which had both academic and realistic meaning to control agricultural non-point source pollution.