摘要
长沙市郊菜园基地土壤中,以岳麓乡的岳华村重金属的污染比较严重,土壤中铜、锌、镉的含量居各区菜园土之首。在各污染元素中,则以镉的污染比较严重,铅、锌次之,铜、铬、氟则只有部分菜地有污染,所研究的蔬菜中,叶菜类镉的含量大多超过镉的卫生标准,不同种类的蔬菜中,叶菜类重金属的污染程度大于果菜类。
The pollution of garden Soil by heavy metals,specially Cu,Zn and Cd,is more serious in Yuehua village of Yuelu township than in the other areas,The containinant elements in order of increasing degree of pollution are Zn,Pb and Cd.Some garden soils have heen polluted by Cu,Cr and F,of most of the vegetables in question,Cd content of leaf vegetahles has exceeded healthful standards.In Tespect to different kinds of Vegetables,the degree polluted by heavy metals in leaf vegetables is higher than in fruit ones.
关键词
菜园土
蔬菜
重金属
污染
氟
garden mould
vegetable crops
municipal pollution
heayy metal pollution
fluorine
soil pollution
agricultural enviroment
pollution survey
Changsha
