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논문 기본 정보

자료유형
학술저널
저자정보
Sorakon Suwanmanon (Mokpo National University) Ki In Kim (Mokpo National University)
저널정보
한국토양비료학회 한국토양비료학회지 한국토양비료학회지 제55권 제4호
발행연도
2022.11
수록면
343 - 352 (10page)

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Monitoring heavy metal concentrations in agricultural soils near industrial area is very important due to food safety. The aim of this study was to assess the heavy metal concentrations, pollution index (PI), and pollution load index (PLI) in agricultural soils close to industrial complexes in Jeon-Nam province. Fifteen industrial complexes in Jeon-Nam province were selected (Yeongam, Muan, Yeonggwang, Hampyeong, Gangjin, Wando, Haenam, Jindo, Jangseong, Damyang, Boseong, Goheung, Hwasun, Gokseong, and Gurye). Five agricultural fields each were selected at each industrial complex within 500 meter and 1,000 meter radius at each industrial complexe boundaries, respectively. Two depth of soil samples (0 - 15 cm depth for top soil and 15 - 30 cm depth for sub soil) were collected in spring of 2020 before planting. Soil samples were analyzed for seven heavy metals, including arsenic (As), cadmium (Cd), chromium (Cr), copper (Cu), nickel (Ni), lead (Pb), and zinc (Zn). Heavy metal concentrations for both top and sub soil ranged from 1.7 to 8.6 mg kg<SUP>-1</SUP> for As, from 0.3 to 0.9 mg kg<SUP>-1</SUP> for Cd, from 13.3 to 67.8 mg kg<SUP>-1</SUP> for Cr, from 8.9 to 20.7 mg kg<SUP>-1</SUP> for Cu, from 7.0 to 28.1 mg kg<SUP>-1</SUP> for Ni, from 7.0 to 31.8 mg kg<SUP>-1</SUP> for Pb, from 62.6 to 143.9 mg kg<SUP>-1</SUP> for Zn. Heavy metal concentrations in studied soils were not higher than the levels of Soil Contamination Warning Standard (SCWS). Pollution index (PI) and pollution load index (PLI) values of all seven heavy metals including As, Cd, Cr, Cu, Ni, Pb, and Zn ranged from 0.1 to 0.7 for PI and from 0.14 to 0.30 for PLI. Both values were less than 1. Therefore, these soils are classified uncontaminated for PI and unpolluted for PLI. Overall, all soil samples did not exceed the level limits of Soil Environment Conservation Law (SECL).

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ABSTRACT
Introduction
Materials and Methods
Results and Discussion
Conclusions
References

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