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| Analysis on Heavy Metal Environmental Effect in Soil of Vegetable Fields in Southeast Suburbs of Harbin |
| REN Wei, ZHANG Si-chong*, CUI Ke-yu, ZHANG Li-hui |
| College of Geographical Sciences, Harbin Normal University, Harbin 150080, Heilongjiang, China |
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Abstract This paper studies the heavy metal content and heavy metal relativity in soil of
vegetable fields in southeast suburbs of Harbin, further analyzes the crop accumulation
and the environment effect. The results show that the heavy metal contents in samples soil
are Cu 28.451 mg·kg-1，Pb 35.258 mg·kg-1，Zn 57.654 mg·kg-1，Ni 30.209 mg·kg-1，Cr
32.660 mg·kg-1，Cd 0.126 mg·kg-1，As 3.934 mg·kg-1，Hg 0.049 mg·kg-1, respectively. In
the aspect of environment effect, the heavy metal contents are decreasing from bottom to
top in plant organs. Heavy metal contents at plant root are the highest. Pea has stronger
accumulation ability for Pb and Cr than eggplant and onion. Onion has stronger
accumulation ability for Cd then eggplant and pea, while eggplant has stronger
accumulation ability for As. In the aspect of food safety, the heavy metal contents of the
3 vegetables: onion, pea and eggplant are not exceeded the national standards.
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Received: 25 January 2010
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Corresponding Authors:
ZHANG Si-chong
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