Regional Comparisons for Heavy Metal Contamination in Soil and Vegetables in Fujian Province

According to the industrial and agricultural development,Shang-hang,Jin-jiang,Long-wen and Xia-pu were selected as representative regions in this study.Thirty-two soil samples from 4 regions and fifty-two vegetable samples from 19 varieties were taken for detecting of heavy metal content.The results showed that the Cd,Pb and Hg contents of some soil samples were higher than it of national standard.Based on the comprehensive heave metal pollution index,the 28.13% of total soil samples reached in warning level of pollution and 6.25% were in moderate statuses.Among vegetable samples,the 11.54% of which were polluted in certain extent by Cd,Hg and the highest pollution index was found from leaf vegetables.The most of polluted samples were obtained from Shang-hang County,followed by Jin-jiang and Long-wen.The most of polluted vegetable species were cabbage,mustard,etc.Results indicated that the heavy metal contamination in vegetables was correlated in some degree with the species of vegetable and the development level of industrialization.The pollution resulted mainly with Cd and Pb.