Title: Primary Appraisal on Environmental Quality of Cultivated Land in Dongting Lake Plain
Abstract: The heavy metals Hg, Pb, Cr, Cd, Cu and As were determined in cultivated land in Dongting Lake Plain. The appraisal for heavy metals pollution was made . Result indicated that the content of heavy metal was 0.23mg/kg for Cd, 0.26 mg/kg for Hg, 88.89 mg/kg for Cr, 106.24 mg/kg for Pb, 50.55 mg/kg for Cu ,11.15 mg/kg for As. The content of As was a bit lower than the background content. But the other five heavy metals has accumulated in different degree in tillable field. The heavy metal pollutants are mainly Pb and Cu, Hg and Cd secondary, Cr and As are under the polluted level. The comprehensive pollution indictor of the farm soils was 1.02, which is a trivial pollution grade.
Publication Year: 2007
Publication Date: 2007-01-01
Language: en
Type: article
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