한국토양비료학회지 (Korean Journal of Soil Science and Fertilizer)

  • 제50권2호
  • /
  • Pages.106-114
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  • 2017
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  • 0367-6315(pISSN)
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  • 2288-2162(eISSN)
한국토양비료학회 (Korean Society of Soil Science and Fertilizer)
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Determination of Bioconcentration Factor of Heavy Metal (loid)s in Rice Grown on Soils Vulnerable to Heavy Metal (loid)s Contamination

  • Lee, Seul (Chemical Safety Division, National Institute of Agricultural Science) ;
  • Kang, Dae-Won (Chemical Safety Division, National Institute of Agricultural Science) ;
  • Yoo, Ji-Hyock (Chemical Safety Division, National Institute of Agricultural Science) ;
  • Park, Sang-Won (Chemical Safety Division, National Institute of Agricultural Science) ;
  • Oh, Kyeong-Seok (Chemical Safety Division, National Institute of Agricultural Science) ;
  • Lee, Jin-Ho (Department of Agricultural Chemistry, Chonbuk National University) ;
  • Cho, Il Kyu (Bio Control Research Center, Jeonnam Bioindustry Foundation) ;
  • Moon, Byeong-Churl (Chemical Safety Division, National Institute of Agricultural Science) ;
  • Kim, Won-Il (Chemical Safety Division, National Institute of Agricultural Science)
  • 투고 : 2017.02.09
  • 심사 : 2017.05.04
  • 발행 : 2017.04.30
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초록

There is an increasing concern over heavy metal(loid) contamination of soil in agricultural areas including paddy soils. This study was conducted to determine the bioconcentration factor (BCF) for heavy metal(loid)s to brown rice grown in paddy soils vulnerable to heavy metal(loid)s contamination, for the quantitative health risk assessment to the residents living nearby the metal contaminated regions. The samples were collected from 98 sites nationwide in the year 2015. The mean and range BCF values of As, Cd, Cu, Ni, Pb, and Zn in brown rice were 0.027 (0.001 ~ 0.224), 0.143 (0.001 ~ 2.434), 0.165 (0.039 ~ 0.819), 0.028 (0.005 ~ 0.187), 0.006 (0.001 ~ 0.048), and 0.355 (0.113 ~ 1.263), respectively, with Zn showing the highest. Even though the relationship between heavy metal(loid) contents in the vulnerable soils and metal contents in brown rice collected at the same fields was not significantly correlated, the relationship between log contents of heavy metal(loid)s in the vulnerable soils and BCF of brown rice wes significantly correlated with As, Cd, Cu, and Zn in rice. In conclusion, soil environmental risk assessment for crop uptake should consider the bioconcentration factor calculated using both the initial and vulnerable heavy metal(loid) contents in the required soil and the crop cultivated in the same fields.

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