Abstract:
The singlefactor pollution index and the comprehensive pollution index were adopted to investigate the heavymetals(Hg 、Cr 、Cd 、Pb 、As 、Cu 、Zn)pollution of 3 different irrigated soils and quality of vegetables growing in them inZhengzhou suburb . The results show that the soil environment in Zhengzhou suburb is qualified for the second level criterion of “Standard of Soil Environment” (GB15618 — 1995) . But some vegetables have been polluted seriously by heavymetals according to the national vegetable food criterion . The pollution of Zn , Cr , Cu , Cd in soil shows a significantlypositive correlation with the pollution of most vegetables . And Pb , Hg pollution has not presented a correlation betweenthe pollution of most vegetables and soil contamination .