摘要
以武汉市蔡甸区农田土壤为研究对象,共采集179个土壤样品,分析其中8种重金属(Pb、Cd、Cr、Hg、As、Ni、Cu、Zn)的含量,以《土壤环境质量农用地土壤污染风险管控标准(试行)》为评价基准值,采用单因子污染指数和内梅罗综合污染指数评价该地区土壤农田重金属污染状况。结果表明,蔡甸区农田土壤总体清洁状况较好,仅局部地区存在重金属污染状况(21.79%),且以Cd污染为主,另外有不到2%的土壤样点存在As、Cu和Hg轻度以上污染状况,未发现农田土壤受到Cr、Ni、Pb和Zn的污染。
179 soil samples were collected from the farmland of Caidian district in Wuhan city,and the contents of 8 heavy metals(Pb,CD,Cr,Hg,As,Ni,Cu,Zn)were analyzed.The single factor pollution index and Nemerow synthetical pollution index were used to evaluate the heavy metals in the farmland soil of this district based on Soil Environmental Quality Risk Control Standard for Soil Contamination of Agricultural Land.The results showed that the farmland soil in Caidian district was generally clean,heavy metal pollution only existed in some areas(21.79%),and the Cd pollution was the main pollution.In addition,less than 2%of the soil samples were slightly polluted by As,Cu and Hg,and no farmland soil was polluted by Cr,Ni,Pb and Zn.
作者
张贵友
王素萍
姜利
黄翔
杜雷
洪娟
叶莉霞
张利红
陈钢
ZHANG Gui-you;WANG Su-ping;JIANG Li;HUANG Xiang;DU Lei;HONG Juan;YE Li-xia;ZHANG Li-hong;CHEN Gang(Institute of Environment and Safety,Wuhan Academy of Agricultural Sciences,Wuhan 430345,China)
出处
《湖北农业科学》
2020年第S01期307-310,326,共5页
Hubei Agricultural Sciences
关键词
农田土壤
重金属
污染评价
武汉市城区
farmland soils
heavy metal
pollution assessment
Wuhan urban area
