广州市白云区露天蔬菜地土壤及地下水硝酸盐污染调查研究  

Preliminary Investigation of the Nitrate Contamination in Soil and Groundwater in Vegetable Cultivation Area in Baiyun District of Guangzhou City

作　　者：潘涌璋[1] 朱峰[1] 李健忠[1] 

机构地区：[1]暨南大学环境工程系,广东广州510632

出　　处：《安徽农业科学》2008年第12期5147-5148,5162,共3页Journal of Anhui Agricultural Sciences

基　　金：东莞市科技计划项目(东科2004-53-38);暨南大学引进优秀人才科研启动基金资助项目(640561)

摘　　要：通过调查和地下水田间采样,对广州市白云区部分露天蔬菜地的土壤和地下水中的硝酸盐氮含量进行了测定分析。结果表明,土壤中全氮含量为0.122%,属中上水平,菜地地下水的硝酸盐氮浓度范围为0.13-49.84 mg/L,出现超标现象。分析了地下水中硝酸盐含量升高的主要影响因素,指出过量施肥会造成地下水硝酸盐污染。The contents of nitrate in soils and groundwater samples from the vegetable cultivation area base in Baiyun District of Guangzhou City was analyzed.The results indicated that the content of nitrogen in the soil was 0.122% which ranged between medium to high level,the concentration of NO3——N in groundwater was 0.13～49.84 mg/L,some of samples exceeded the standard.The main factors affecting nitrate content in groundwater were discussed.The impropriated usage of the chemical fertilizer would cause nitrate contamination in soil and groundwater.

关 键 词：白云区 蔬菜地 土壤 地下水 硝酸盐 污染 

分 类 号：S156[农业科学—土壤学]