摘要
通过对沈阳市东陵区和于洪区的蔬菜生产基地的重金属污染调查与评价 ,表明两个地区均受到Pb、Cd、Cu、Zn四种重金属不同程度的污染 ,于洪区偏于中度、重度污染 ,东陵区大部分处于轻污染级。另外 ,土壤中的重金属Cu、Pb、Cd有明显的逐年增加趋势 ,而且蔬菜大棚内土壤中的Pb、Cd含量明显高于棚外。
The soil in vegetable production base is polluted by heavy metal including Pb,Cd,Zn and Cu in Shenyang suburb.Pollution evaluation indicates that the degree of pollution in Yuhong district is more serious than in Dongling district.In addition,the content of heavy metal(Cu,Pb,Cd)in soil is increasing year after year.It is evident that the contents of Pb and Cd in the soil of the vegetable shed is higher than that of the outside the shed.
出处
《环境保护科学》
CAS
2003年第4期43-45,共3页
Environmental Protection Science
