若干蔬菜和菜区土壤的重金属含量调查

Investigation on the Content of Heavy Metals in Soil and Vegetable

本文介绍了杭州市菜区土壤及部分蔬菜重金属含量状况及分布规律。其中土壤中汞的平均含量是对照点的2.6倍,铅增加69.5％,铜增加58.17％,砷和锌增加19％左右,镍和镉与对照点含量接近。蔬菜中主要积累元素为铅汞。文章还扼要提出了防止菜区重金属污染的对策。

In this paper, content and distribution of heavy metals in soil and vegetable were investigated. The results showed that the average concentration of Hg in soil was 2.6-fold of the control sample, Pb increased by 69.5%, Cu 58.17%, As and Zn 19%, and the concentration of Ni and Cd was close to the control samples. The mojor accumulaled elements in the vegetable were Pb, Hg etc., then the control measures were recommended for preventing heavy metal pollution.