Temporal Evolution of Nitrogen and Phosphorus of Agricultural Non-point Source in Haikou City

文献类型: 外文期刊

第一作者: Chen, X.

作者: Chen, X.

作者机构:

关键词: Non-point source pollution;Nitrogen;Phosphorus;Temporal evolution

期刊名称:PROCEEDINGS OF THE 2015 INTERNATIONAL CONFERENCE ON INDUSTRIAL TECHNOLOGY AND MANAGEMENT SCIENCE (ITMS 2015)

ISSN: 2352-538X

年卷期: 2015 年 34 卷

页码:

收录情况: SCI

摘要: The quantification of nitrogen and phosphorus nutrient loads is the primary task for the control of non-point pollution. In this study, the data between 2006 and 2011 were collected and analyzed in Haikou City. The results showed that the major agricultural non-point source structure was composed of nitrogen and phosphorus and the order was fertilizers > living sewage > animal feces in last 5 years in Haikou City. Constitute changes of nitrogen and phosphorus in agricultural non-point source suggested that the nitrogen and phosphorus contribution rate of fertilizer on agricultural non-point source declined, while residents of sewage, animal feces annually increased.

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