氮肥对地下水中氮迁转机理研究

陈建平; 丁际豫; 吴子杰

doi:10.3969/j.issn.1001-5485.2015.02.006

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raybet体育在线院报 ›› 2015, Vol. 32 ›› Issue (2) : 24-29. DOI: 10.3969/j.issn.1001-5485.2015.02.006

水资源与环境

氮肥对地下水中氮迁转机理研究

陈建平^1,2,丁际豫³,吴子杰⁴

作者信息 +

Mechanism of Migration and Conversion of Nitrogen Fertilization in Groundwater

CHEN Jian-ping^1,2,DING Ji-yu^1,3,WU Zi-jie⁴

Author information +

文章历史 +

摘要

为研究地下水中“三氮”迁移转化的主要影响因子,以江西省泰和县境内的千烟洲试验站为研究对象,根据研究需要进行了实验区域的划定,对研究区域的地下水位、“三氮”、铁、锰和pH值进行了长期的监测,通过数据整理、作图分析后,利用SPSS软件对“三氮”、总铁、可滤态锰和pH值的相关性进行分析。结果表明:研究区地下水已经受到了农业氮面源污染的影响;地下水中铁、锰具有显著的伴生性;铵态氮和亚硝酸盐态氮与铁、锰存在显著的正相关。总铁、可滤态锰、pH值、温度和降雨是地下水中“三氮”迁移转化的主要影响因子。通过“三氮”迁移转化影响因子的分析,可为农业氮面源污染的防治提供一定的理论基础。

Abstract

By analysing main factors affecting the migration and conversion of ammonia-nitrite-nitrates in groundwater, we aim to provide theoretical basis for the prevention and control of agricultural non-point source nitrogenous pollution. Qianyanzhou test station in Jiangxi Province was selected as research object and experiment plots were divided. The groundwater table, ammonia-nitrite-nitrates, ferrum-manganese and pH value of groundwater in the research area were monitored in long term. Through data sorting, diagram analysis and SPSS software, we analysed the correlation among ammonia-nitrite-nitrates, total iron, manganese in filtering state and pH value. Results suggest that the groundwater in the study area has been affected by agricultural non-point nitrogenous pollution. Ferro-manganese in groundwater are apparently associated. Ammonium nitrogen and nitrite nitrogen are positively related with ferro-manganese. Total iron, manganese in filtering state, pH value, temperature and rainfall are the main impact factors of the transport and transformation of ammonia-nitrite-nitrates in the groundwater.

导出引用

陈建平,丁际豫,吴子杰. 氮肥对地下水中氮迁转机理研究[J]. raybet体育在线院报. 2015, 32(2): 24-29 https://doi.org/10.3969/j.issn.1001-5485.2015.02.006

CHEN Jian-ping,DING Ji-yu,WU Zi-jie. Mechanism of Migration and Conversion of Nitrogen Fertilization in Groundwater[J]. Journal of Changjiang River Scientific Research Institute. 2015, 32(2): 24-29 https://doi.org/10.3969/j.issn.1001-5485.2015.02.006

中图分类号： X523

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