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Vertical Distribution of the Heavy Metal in Paddy Soils of Below Part at Guundong Mine in Milyang, Korea  

Yun, Eul-Soo (Functional Cereal Crop Div. National Institute of Crop Science, RDA)
Park, Sung-Hak (Chengdo Regional Agricultural Cooperative)
Ko, Jee-Yeon (Functional Cereal Crop Div. National Institute of Crop Science, RDA)
Jung, Ki-Yeol (Functional Cereal Crop Div. National Institute of Crop Science, RDA)
Park, Ki-Do (Functional Cereal Crop Div. National Institute of Crop Science, RDA)
Hwang, Jae-Bok (Functional Cereal Crop Div. National Institute of Crop Science, RDA)
Park, Chang-Yeong (Functional Cereal Crop Div. National Institute of Crop Science, RDA)
Publication Information
Korean Journal of Soil Science and Fertilizer / v.43, no.5, 2010 , pp. 590-595 More about this Journal
Abstract
This study was conducted to investigate form of pollution brought by residual of mine tailing in agricultural land, and get basic information need for environment restoration. Guundong mine was completely restored region by implementation the soil pollution prevention plan. The districts is soils in Guundong mine vicinity the Mahul-ri, Muan-myeon, Miryang city, Gyeongsangnam-do. The nature of soil studied is the Shinra series andesite and mineral deposits which contain brimstone and heavy metals such as gold, silver, copper, lead, and zinc. The residual mine tailing and around agricultural land of heavy metals analyzed with 0.1N HCI solubility. The chemical properties of surface soil in upper part around mining area were pH 4.3-4.4, organic matter 19-21 g $kg^{-1}$, available $P_2O_5$ 85 mg $kg^{-1}$, exchangeable Ca 0.21-0.25 $cmol_c\;kg^{-1}$, exchangeable Mg 0.04 $cmol_c\;kg^{-1}$. The pH, exchangeable Ca, and Mg were increased with soil depth. The contents of 0.1N HCl extractable Cu, Cd, Pb, Cr, and Ni in soil (siteI) which influenced by outflow water from mine tailing were 97, 0.6, 197, 0.28 및 0.12 mg $kg^{-1}$, respectively. The vertical distribution of heavy metals in soil varied considerably among the metals kind. In case of siteI, The content of Cu, Pb, and Cr in soil was highest at surface soil. However, the content of Cd, Zn, Ni, and Mn was high at middle part of soil profile.
Keywords
Guundong mine; Heavy metals; Soil pollution; Sediment;
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