摘要
本文研究了宝山区菜区土壤的重金属污染,结果如下:全部菜区土壤都受到了程度不等的重金属污染。在菜区土壤污染中,镉与汞是主要的污染元素。经综合评价,在调查的29个自然村中,仅有1个为重污染,11个为轻污染,17个村虽为未污染,但16个村有部分元素污染指数>1.
This article deals with the pollution of heavy matal elements in vegetable soils Baoshan district, Shanghai. The results are as follows: 1. Almost all vegetable soils are subjected to heavy metal elements pollution, although the degrees are different. 2. Cd and Hg are main pollution elements in the vegetable soils. 3. With integrated pollution assessment in 29 villages of surveying one is heavyly and eleven are lightly polluted. Although 17 villages aren't polluted, yet for 16 villages the pollution index of some elements is>1.0.
关键词
菜地
土壤
重金属
污染
评价
Vegetable soils
Hcavy rectal pollution
Integrated assessment
Environmental quality
