광산 인근 밭토양에서 중금속 안정화제 처리 및 복토층 처리에 의한 토양 중 중금속 식물유효도 변화 및 고추의 중금속 흡수 (Changes in Heavy Metal Phytoavailability by Application of Immobilizing Agents and Soil Cover in the Upland Soil Nearby Abandoned Mining Area and Subsequent Metal Uptake by Red Pepper)

서지정보

· 발행기관 : 한국토양비료학회
· 수록지 정보 : 한국토양비료학회지(Korean Journal of Soil Science and Fertilizer) / 43권 / 6호 / 864 ~ 871페이지
· 저자명 : 김권래, 박정식, 김민석, 구남인, 김성철, 양재의, 김정규, 이상환, 이진수

초록

At the current situation of continuous utilization of heavy metal contaminated upland for agricultural purpose in Korea, minimizing transport of heavy metals from soil to crops is important for securing safety of human health. The present study (in field scale) examined the efficiency of several soil amendments (dolomite, steel slag, lime, zeolite, and compost) on reduction of phytoavailable heavy metals (Cd, Cu, Pb, and Zn) in soil through comparison with no amendment treatment and clean soil cover treatment. For determination of the phytoavailability, 1 M NH₄NO₃ extraction and red pepper cultivation were introduced. Among the amendments,in general, dolomite and steel slag were the most effective in reduction of metal (Cd, Pb, and Zn)phytoavailability resulting in less accumulation of these metals in shoot and fruit of red pepper. However,dolomite and steel slag treatment was not as effective as clean soil cover treatment which showed the least metal accumulation in red pepper fruit. Nevertheless, with taking into account the cost, treatment of dolomite or steel slag can be competitive method because the current study showed that dolomite or steel slag treatment reduced accumulated heavy metal concentration effectively in both shoot and fruit of red pepper compared to those from control soil and the concentration in fruit was within the standard value (<0.2 mg kg-¹ for both Cd and Pb).

영어초록

At the current situation of continuous utilization of heavy metal contaminated upland for agricultural purpose in Korea, minimizing transport of heavy metals from soil to crops is important for securing safety of human health. The present study (in field scale) examined the efficiency of several soil amendments (dolomite, steel slag, lime, zeolite, and compost) on reduction of phytoavailable heavy metals (Cd, Cu, Pb, and Zn) in soil through comparison with no amendment treatment and clean soil cover treatment. For determination of the phytoavailability, 1 M NH₄NO₃ extraction and red pepper cultivation were introduced. Among the amendments,in general, dolomite and steel slag were the most effective in reduction of metal (Cd, Pb, and Zn)phytoavailability resulting in less accumulation of these metals in shoot and fruit of red pepper. However,dolomite and steel slag treatment was not as effective as clean soil cover treatment which showed the least metal accumulation in red pepper fruit. Nevertheless, with taking into account the cost, treatment of dolomite or steel slag can be competitive method because the current study showed that dolomite or steel slag treatment reduced accumulated heavy metal concentration effectively in both shoot and fruit of red pepper compared to those from control soil and the concentration in fruit was within the standard value (<0.2 mg kg-¹ for both Cd and Pb).

참고자료

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