摘要
本文对我国部分城市农用土壤和蔬菜重金属污染现状进行了综述,重金属污染在蔬菜种植土壤和蔬菜中主要是以Pb、Cd、Hg为主,且工业城市和人口密度大的城市尤为突出。分析了植物吸附重金属的一般规律与影响因素,为防治重金属污染提供了理论依据。
This paper makes a brief review on the current situation of soil and vegetables polluted by heavy metals that mainly include Pb, Cd and Hg. Such pollution is especially serious in industrial cities and the cities with high population density. It also analyses the general laws and factors of plants adsorbing heavy metals to provide theoretical base for preventing the pollution by heavy metals.
出处
《四川环境》
2008年第2期94-97,101,共5页
Sichuan Environment
基金
国家地质调查项目(No.200314200015)
中信国安青海盐科技公司合作项目
关键词
重金属污染
蔬菜
土壤
Heavy metal pollution
vegetables
soil