Comparison of Single Extractions for Evaluation of Heavy Metal Phytoavailability in Soil

Seo, Byoung-Hwan; Lim, Ga-Hee; Kim, Kye-Hoon; Kim, Jang-Eok; Hur, Jang-Hyun; Kim, Won-Il; Kim, Kwon-Rae

doi:10.5338/kjea.2013.32.3.171

Cited by 10 publications

(8 citation statements)

References 32 publications

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“…토양의 중금속 생물유 효도는 pH, 유기물함량, 양이온교환 용량, 점토함량 등 다 양한 이화학적 특성에 따라 결정된다는 연구결과가 보고되 고 있지만 (Kim et al, 2014;Seo et al, 2013) …”

Section: Correlation Coefficient Between Extractable As In Soil By DIunclassified

Comparing Bioavailability of Cadmium and Arsenic in Agricultural Soil Under Varied pH Condition

Oh¹,

Kim²,

Ok³

et al. 2015

Korean Journal of Soil Science and Fertilizer

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.545) for Cd in acidic condition indicating that LMWOAs method could be applied for evaluating bioavailability of Cd in acidic soil. However, no high correlation was observed for As in both acidic and alkaline condition. Overall, bioavailable fraction of Cd and As can be higher in acidic condition of soil than alkaline condition resulting higher uptake of Cd and As from soil to crops. Therefore, efficient best management practice (BMPs) for Cd and As in acidic soil should be conducted for minimizing uptake of Cd and As into crops.

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Section: Correlation Coefficient Between Extractable As In Soil By DIunclassified

Comparing Bioavailability of Cadmium and Arsenic in Agricultural Soil Under Varied pH Condition

Oh¹,

Kim²,

Ok³

et al. 2015

Korean Journal of Soil Science and Fertilizer

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“…아울러 이러한 미량 금속의 전이를 예측하 기 위한 단일추출법의 개발도 이뤄졌으며 (Houba et al, 1996;Lindsay and Norvell, 1978;Mehlich, 1984), 이 들 추출법 상호간 비교검토를 통해 적용성 높은 추출방식 을 찾고자 하는 시도 역시 지속적으로 수행되고 있다 (Gonzaga et al, 2012;Seo et al, 2013;Sobral et al, 2013 (Pierzynski et al, 1994). 이중 망간(Mn (Gwon et al, 1998;Sparks, 1995) (Fig.…”

Section: 이러한 연속추출법은 대체적으로 토양광물입자와의 결합unclassified

Partitioning of Heavy Metals between Rice Plant and Limestone-stabilized Paddy Soil Contaminated with Heavy Metals

Koh¹,

Kim²,

Kwon³

et al. 2015

Journal of Soil and Groundwater Environment

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The agricultural soil, meets soil environmental standards whereas agricultural product from the same soil does not meet permissible level of contaminants, is identified in the vicinity of the abandoned mine in Korea. This study estimated the stabilization efficiency of Cd and Pb using limestone through the flood pot test for this kind of agricultural paddy soil. We had the concentration of the monitored contaminants in soil solution for 4 months and analyzed fractionations in soil and concentrations in rice plant. In soil solution of plow layer, the reductive Mn had been detected constantly unlike Fe. The concentrations of Mn in limestone amended soil was relatively lower than that in control soil. This reveals that the reductive heavy metals which become soluble under flooded condition can be stabilized by alkali amendment. This also means that Cd and Pb associated with Mn oxides can be precipitated through soil stabilization. Pb concentrations in soil solution of amended conditions were lower than that of control whereas Cd was not detected among all conditions including control. In contaminants fractionation of soil analysis, the decreasing exchangeable fraction and the increasing carbonates fraction were identified in amended soil when compared to control soil at the end of test. These results represent the reduction of contaminants mobility induced by alkali amendment. The Cd and Pb contents of rice grain from amended soil also lower than that of control. These result seems to be influenced by reduction of contaminants mobility represented in the results of soil solution and soil fractionation. Therefore contaminants mobility (phytoavailability) rather than total concentration in soil can be important factor for contaminants transition from soil to agricultural products. Because reduction of heavy metal transition to plant depends on reduction of bioavailability such as soluble fraction in soil.

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“…42(pore size 2.5 ㎛) 여과지로 여과하고 ICP-OES(8300DV, Perkin-Elmer, USA)로 분석하였다. 점토함량은 마이크로 피펫법 (Miller and Miller, 1987) (Bingham et al, 1984;McLaughlin et al, 1999)을 변형시킨 추출법으로서 CaCl2 의 염소이온이 양이온 치환력 이상으로 카드뮴 이온을 추출 하는 단점을 보완하였다 (Seo et al, 2013 (Naidu et al, 1994;Sauvé et al, 2000aSauvé et al, , 2000bKrishnamurti and Naidu, 2003). Table 2.…”

Section: 토양 분석unclassified

“…Table 2. Distribution of total heavy metal concentrations and phytoavailable concentrations in soils, and the soil-solid partitioning coefficient (modified from the study by Seo et al, 2013) NH4NO3 추출액의 농도가 0.01 M Ca(NO3)2에 비해 높아 중성염이 해리되었을 때 발생하는 이온들이 더 강한 치환력을 보이고 (Pueyo et al, 2004) …”

Section: 토양 분석unclassified

Transfer Function for Phytoavailable Heavy Metals in Contaminated Agricultural Soils: The Case of The Korean Agricultural Soils Affected by The Abandoned Mining Sites

Lim¹,

Kim²,

Seo³

et al. 2014

Korean Journal of Environmental Agriculture

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BACKGROUND: Application of the transfer functions derived from local soil data is necessary in order to develop proper management protocols for agricultural soils contaminated with heavy metals through phytoavailability control of the heavy metals. The aim of this study was to derive the transfer functions of Korean agricultural soils affected by the abandoned mining sites and evaluate suitability of the derived transfer functions. METHODS AND RESULTS: 142 agricultural soils affected by the abandoned mining sites were collected and analyzed. Two extraction methods, including 1 M NH 4 NO 3 extraction and 0.01 M Ca(NO 3 ) 2 extraction were applied to determine phytoavailable metal pools in soils. Multiple stepwise regression of phytoavailable metal pools against the corresponding total metal concentration and soil properties was conducted to derive suitable transfer functions for estimating phytoavailable heavy metal pools. Applicability of the derived transfer functions was examined

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Comparison of Single Extractions for Evaluation of Heavy Metal Phytoavailability in Soil

Cited by 10 publications

References 32 publications

Comparing Bioavailability of Cadmium and Arsenic in Agricultural Soil Under Varied pH Condition

Comparing Bioavailability of Cadmium and Arsenic in Agricultural Soil Under Varied pH Condition

Partitioning of Heavy Metals between Rice Plant and Limestone-stabilized Paddy Soil Contaminated with Heavy Metals

Transfer Function for Phytoavailable Heavy Metals in Contaminated Agricultural Soils: The Case of The Korean Agricultural Soils Affected by The Abandoned Mining Sites

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