토양 중 중금속의 식물유효도 평가를 위한 단일추출법 비교
분야
농학 > 농화학
저자
서병환 ( Byoung Hwan Seo ) , 임가희 ( Ga Hee Lim ) , 김계훈 ( Kye Hoon Kim ) , 김장억 ( Jang Eok Kim ) , 허장현 ( Jang Hyun Hur ) , 김원일 ( Won Il Kim ) , 김권래 ( Kwon Rae Kim )
발행기관
한국환경농학회
간행물정보
한국환경농학회지 2013년, 제32권 제3호, 171~178페이지(총8페이지)
파일형식
09202346.pdf [무료 PDF 뷰어 다운로드]
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    영문초록
    BACKGROUND: Consensus of heavy metal phytoavailability in soils needs to be introduced for soil management protocols in relation to safer food production in the contaminated agricultural soils. For this, setting up the method for evaluation of metal phytoavailability in soil is an essential prerequisite. METHODS AND RESULTS: The current study was carried to select a proper single extraction method for determination of phytoavailable metal concentration in soil. Two extraction methods were examined including 1 M NH4NO3 extraction and 0.01 M Ca(NO3)2 extraction methods using 142 soil samples collected from the agricultural soils nearby abandoned mining area in Korea. Corelation analysis was conducted between phytoavailable metal concentrations and soil properties potentially influencing on the metal phytoavailability. Both methods showed similar significance (p<0.001) in correlation with soil properties such as soil pH. However, higher correlation coefficients between phytoavailable metal concentrations and soil properties were observed when used Ca(NO3)2 extraction rather than using NH4NO3 extraction. CONCLUSION(S): It appeared that 0.01 M Ca(NO3)2 extraction was better option for determination of phytoavailable metals in soils and further study to test the efficiency of this method is required in combination with plant uptake.
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