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KMID : 0903519970400040342
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Journal of the Korean Society of Agricultural Chemistry and Biotechnology
1997 Volume.40 No. 4 p.342 ~ p.346
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Content of Heavy Metals in Paddy Soils and Brown Rice frojm Kunsan Industrial Complex Area
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Abstract
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Contents of heavy metals in paddy soils and brown rice of near the Kunsan industrial complex area were investigated. Average total heavy metal contents in paddy soils were Pb 34.33, Cd 0.50, Cu 35.49, and Zn 71.67 ㎎/㎏ respectively. There are no correlation between distances from industrial complex and contents of heavy metals in paddy soils. Average contents of heavy metals in brown rice grown above paddy soil were Pb 1.74, Cd 0.07, Cu 3.54, and Zn 16.53 ㎎/㎏. Relationships between 0.1N HCl soluble heavy metals in paddy soils and contents of brown rice showed positive significant correlations for Pb at 1% level(r=0.6853^(**)) and for Zn at 5% level(r=0.5420^*). Relationships between total contents of heavy metals in paddy soils and contents of brown rice showed only positive significant correlation for Pb at 1% level(r=0.7131^(**)). Contents of heavy metals in paddy soils and brown rice of near the Kunsan industrial complex was polluted partly by the influence of smoke and dust out from industrial complex but not polluted anxious level.
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