2009•Journal of Hebei Agricultural SciencesRequires access
Investigation and Assessment of Soil Heavy Metals Pollution in Main Vegetable Production Bases of Baoan District,Shenzhen
Shizhe Liu
Open publisher page 0 citations
Abstract
The soil heavy metals pollution in 30 main vegetable production bases of Baoan District,Shenzhen was investigated.Seven indexes(Zn,Cu,Cr,Pb,Cd,As and Hg)were determined to evaluate the soil environmental quality by the single factor index method and comprehensive pollution index method.The results showed that 21 soil samples belonged to first grade soil level,5 soil samples belonged to second grade soil level,and 4 soil samples were slightly polluted,which belonged to third grade soil level.The second grade soil and third grade soil were polluted by Pb,Hg,Cd and As.All of 30 soil samples were not polluted by Zn,Cu and Cr.