包头市农田表层土壤重金属含量综合评价  

Integrated Evaluation of the Content of the Heavy Metal in the Surface Soil of Farmland in Baotou City

作　　者：张庆辉[1] 王贵[1] 

机构地区：[1]包头师范学院资源与环境学院,内蒙古包头014030

出　　处：《安徽农业科学》2008年第31期13527-13528,13546,共3页Journal of Anhui Agricultural Sciences

基　　金：内蒙古自治区自然科学基金项目(200711020613)

摘　　要：[目的]评价包头市郊区农用地表层土壤重金属镉、铅、铬、锌的环境质量。[方法]对包头市北郊区不同土地类型土壤按照"梅花型"取样,测定包头市郊区菜地、马铃薯地、小麦地、玉米地不同土地类型土壤重金属镉、铅、铬、锌含量,对研究区土壤环境质量进行评价。[结果]评价结果显示,研究区的单项污染指数最大值为0.37,综合污染指数最大值为0.30,说明包头市郊区农用地表层土壤重金属镉、铅、铬、锌环境质量属于清洁级,种植农作物如小麦、玉米等粮食作物和蔬菜均没有安全风险。[结论]该研究为包头市进一步开展无公害农产品基地建设以及土壤重金属污染潜在影响和农用土地资源与环境适宜性评价奠定了基础。[ Objective] The content of the heavy metals： cadmium, lead, chromium and zinc, in the surface of different types of farmlands Baotou City was tested. [ Method] The soil was sanrpled with the method of ＂Plum Blossom＂ and the testing soil included vegetable, potato, corn and other lands [ Results ] The result was that the maxirmnn of single pollution index in the testing area was 0.37 and the maxirmm of comprehensive pollution index was 0.30, which showed the environmental quality of farmland on the heavy metal pollution from cadnfium,lead,chrorrfium and zinc belonged to the clean level and there was not security risks in crop-planting such as wheat,corn and other grain food crops and vegetables. [ Conclusion] The study was benefit to the construction of pollution-free agricultural products base in Baotou City and the evaluation of potential impact of heavy metal contamination,the agricultural land resources and environmental quality.

关 键 词：包头市郊区 农田 表层土壤 重金属 评价 

分 类 号：X53[环境科学与工程—环境工程]