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Investigation and Evaluation of Cumulative of Soil Heavy Metals in Vegetable Field of Pingliang

Lijun Wang

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Abstract

The As,Hg,Pb,Cr,Cd contents of soil heavy metals in vegetable field in Pingliang content was measured,and the risk method of assessment was studied in this paper.The results showed that the average contents of As,Hg,Pb,Cr,Cd were 9.957,0.038,32.162,65.983,0.119 mg/kg,respectively.The primary standard level of The National Soil Environmental Quality Standard(GB15618-1995) did not exceed,which accumulation of Pb,Hg,Cd was relatively obvious,cumulative degree was mild and moderate,other heavy metals were no accumulated clean state.

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The As,Hg,Pb,Cr,Cd contents of soil heavy metals in vegetable field in Pingliang content was measured,and the risk method of assessment was studied in this paper.The results showed that the average contents of As,Hg,Pb,Cr,Cd were 9.957,0.038,32.162,65.983,0.119 mg/kg,respectively.The primary standard level of The National Soil Environmental Quality Standard(GB15618-1995) did not exceed,which accumulation of Pb,Hg,Cd was relatively obvious,cumulative degree was mild and moderate,other heavy metals were no accumulated clean state.

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Available abstract

The As,Hg,Pb,Cr,Cd contents of soil heavy metals in vegetable field in Pingliang content was measured,and the risk method of assessment was studied in this paper.The results showed that the average contents of As,Hg,Pb,Cr,Cd were 9.957,0.038,32.162,65.983,0.119 mg/kg,respectively.The primary standard level of The National Soil Environmental Quality Standard(GB15618-1995) did not exceed,which accumulation of Pb,Hg,Cd was relatively obvious,cumulative degree was mild and moderate,other heavy metals were no accumulated clean state.

Key concepts: Heavy metals, Environmental science, Environmental chemistry, Soil test, Soil water, Chemistry, Soil science

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