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Evaluation on Heavy Metal Contents in Agricultural Soils around Industrial Complexes in Korea

공단 인근 농경지 토양 중 중금속 함량 평가

  • Yun, Sun-Gang (Soil and Fertilizer Division, Department of Agricultural Environment, National Institute of Agricultural Science, Rural Development Administration) ;
  • Chae, Mi-Jin (Soil and Fertilizer Division, Department of Agricultural Environment, National Institute of Agricultural Science, Rural Development Administration) ;
  • Kim, Yoo-Hak (Soil and Fertilizer Division, Department of Agricultural Environment, National Institute of Agricultural Science, Rural Development Administration) ;
  • Kong, Myung-Suk (Soil and Fertilizer Division, Department of Agricultural Environment, National Institute of Agricultural Science, Rural Development Administration) ;
  • Jung, Ha-il (Soil and Fertilizer Division, Department of Agricultural Environment, National Institute of Agricultural Science, Rural Development Administration) ;
  • Kim, Suk-Cheol (Soil and Fertilizer Division, Department of Agricultural Environment, National Institute of Agricultural Science, Rural Development Administration) ;
  • Kim, Myoung-Suk (Soil and Fertilizer Division, Department of Agricultural Environment, National Institute of Agricultural Science, Rural Development Administration) ;
  • Park, Seong-Jin (Soil and Fertilizer Division, Department of Agricultural Environment, National Institute of Agricultural Science, Rural Development Administration) ;
  • Lee, Chang-Hoon (Soil and Fertilizer Division, Department of Agricultural Environment, National Institute of Agricultural Science, Rural Development Administration) ;
  • Yang, Jae-E (Department of Environment Convergence, College of Agriculture and Life Sciences, Kangwon National University) ;
  • Kim, Sung-Chul (Department of Biological Environment and Chemistry, College of Agriculture and Life Sciences, Chungnam National University) ;
  • Kim, Gi-In (Department of Horticulture Science, College of Natural Science, Mokpo National University) ;
  • Kim, Gwon-Rae (Department of Agronomy and Medicinal Plant Resources, College of Bioscience, Gyeongnam National University of Science and Technology) ;
  • Jung, Goo-Bok (Soil and Fertilizer Division, Department of Agricultural Environment, National Institute of Agricultural Science, Rural Development Administration)
  • 윤순강 (농촌진흥청 국립농업과학원 농업환경부 토양비료과) ;
  • 채미진 (농촌진흥청 국립농업과학원 농업환경부 토양비료과) ;
  • 김유학 (농촌진흥청 국립농업과학원 농업환경부 토양비료과) ;
  • 공명석 (농촌진흥청 국립농업과학원 농업환경부 토양비료과) ;
  • 정하일 (농촌진흥청 국립농업과학원 농업환경부 토양비료과) ;
  • 김석철 (농촌진흥청 국립농업과학원 농업환경부 토양비료과) ;
  • 김명숙 (농촌진흥청 국립농업과학원 농업환경부 토양비료과) ;
  • 박성진 (농촌진흥청 국립농업과학원 농업환경부 토양비료과) ;
  • 이창훈 (농촌진흥청 국립농업과학원 농업환경부 토양비료과) ;
  • 양재의 (강원대학교 농업생명과학대학 환경융합학부) ;
  • 김성철 (충남대학교 농업생명과학대학 생물환경화학과) ;
  • 김기인 (국립목포대학교 자연과학대학 원예과학과) ;
  • 김권래 (경남과학기술대학교 생명과학대학 농학한약자원학부) ;
  • 정구복 (농촌진흥청 국립농업과학원 농업환경부 토양비료과)
  • Received : 2018.06.14
  • Accepted : 2018.06.25
  • Published : 2018.06.30

Abstract

BACKGROUND: Agricultural soils are vulnerable from contamination of heavy metal derived from industrial waste. Monitoring on heavy metals on agricultural soils around industrial complexes and evaluation on distributional state on the concentrations of heavy metals in soil have been carried out for problem assessment on soil condition. METHODS AND RESULTS: Soil samples of 1,200, were collected from sixty site of industrial complexes located Gyounggi, Chungbuk, Cheonbuk, and Gyoungnam provinces. Total concentration of Cu, Pb, Zn, Ni, and As were analyzed. Heavy metal concentrations in most soil samples were below warning criteria, except 1 site of Pb, Ni, and As, separately. The comparison of mean values of heavy metal concentrations between soils around industrial complexes and paddy soils, showed similar levels of heavy metals, except Pb. The concentrations of lots of heavy metals were distributed between from warning criteria to one fifth level of warning criteria. However, in the case of Cu and Pb, more than 30% were distributed below one twenties level of warning criteria. These results were very similar with the distribution state of heavy metals in upland soils. The concentrations of heavy metals in surface soil and subsoil were similar among the heavy metals in soils around industrial complexes. CONCLUSION: The concentrations of heavy metals in soils around industrial complexes were distributed close to warning criteria. Long term and continous monitoring and evaluation on heavy metals in agricultural soils are required for food safety and sustainable soil management.

공단 인근 농경지에 중금속 농도의 상태를 파악하기 위하여 전국에 60개 공단 인근 농경지에서 1,200점(표토, 심토 각각 600점)의 토양시료를 채취하여 전함량 농도를 분석하였다. 토양 중금속 농도는 Pb, Ni, As 가 1지점씩 토양오염 우려기준을 초과한 것을 제외하고는 기준이하 수준이었다. 공단 인근 농경지에 표토와 심토 중에 중금속 농도의 평균치는 유사한 수준이었다.

Keywords

References

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