兰州市永登县红城镇耕地土壤污染现状评价

Evaluation on soil pollution of cultivated land in Hongcheng Town,Yongdeng County,Lanzhou City

为了解耕地土壤的污染状况,本文以兰州市永登县红城镇主要耕地区域为研究对象,通过布设1条垂直剖面的手段,并采集了13件表层土壤样品、2件深层土壤样品、1件灌溉水及1件灌溉渠底泥样品,进行了化验分析对比试验。文章认为研究区灌溉水环境质量好,灌溉渠底泥清洁,表层土壤砷、镉、汞、锌存在一定累积性,但总体上土壤环境清洁。

In order to understand the pollution status of cultivated soil,this paper takes the main cultivated land area of Hongcheng town in Yongdeng County of Lanzhou City as the research object,by means of laying a vertical section,and collecting 13 surface soil samples,2 deep soil samples,1 irrigation water sample and 1 irrigation canal sediment sample.On the basis of laboratory analysis and comparison,the paper thinks that the quality of irrigation water environment in the study area is good As,Cd,Hg and Zn were accumulated in the surface soil,but the soil environment was clean as a whole.