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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
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Recently, As-contaminated soil management has started dealing with phytoavailable As content instead of total As content in soils. Phytoavailable As content is known to consider food safety more than the management of the environment. This study aims to predict As content in brown rice using phytoavailable As concentration in soil and soil properties and to see the relationship between element contents in tissues and As in brown rice. As-contaminated soils were collected, and their total and phytoavailable As content and soil properties were analyzed. Mehlich3 extraction method was used for phytoavailable As analysis. After the analysis, correlations among total and phytoavailable As concentrations in soils, As content in rice and soil properties were analyzed. Then, a prediction model of As content in brown rice was developed through multiple stepwise regression. Also, correlation analysis between nutrients and As contents in rice was conducted to identify the factors affecting As accumulation in brown rice. The modelling equation for estimating As concentration in brown rice was [Log (As in brown rice) = 2.45 + 0.13 × Log (As_<SUB>Mehlich3</SUB>) – 0.99 × Log (CEC) + 0.50 × Log (avail.-P)] (r = 0.49, p < 0.001). Soil avail.P concentration and CEC were valid variables for As accumulation in brown rice. In addition, Cu, Zn, Mo and Na in shoot were revealed to influence governing translocation of As from shoot to grain.
목차
ABSTRACT
Introduction
Materials and Methods
Results and Discussion
Conclusions
References
참고문헌 (34)
참고문헌 신청
Abedin, M.J., M.S. Cresser, A.A. Meharg, J. Ferdmann, and J. Cotter-howells. 2002. Arsenic accumulation and metabolism in rice (Oryza sativa L.). Environ. Sci. Technol. 36:962-968.
Agency for Toxic Substances and Disease Registry (ATSDR). 2007. Toxicological Profile for Arsenic. Atlanta, Georgia.
Bastias, J.M., and T. Beldarrain. 2016. Arsenic translocation in rise cultivation and its implication for human health. Chilean J. Agric. Res. 76(1):114-122.
Bray, R.H., and L.T. Kurtz. 1945. Determination of total organic and available forms of phosphorus in soils. Soil Sci. 59:39-46.
Carey, A.M., K.G. Scheckel, E. Lombi, M. Newville, Y. Choi, G.J. Norton, J.M. Chamock, J. Feldmann, A.H. Price, and A.A. Meharg. 2010. Grain unloading of arsenic species in rice. Plant Physiol. 152:309-319.
Agency for Toxic Substances and Disease Registry (ATSDR). 2007. Toxicological Profile for Arsenic. Atlanta, Georgia.
Bastias, J.M., and T. Beldarrain. 2016. Arsenic translocation in rise cultivation and its implication for human health. Chilean J. Agric. Res. 76(1):114-122.
Bray, R.H., and L.T. Kurtz. 1945. Determination of total organic and available forms of phosphorus in soils. Soil Sci. 59:39-46.
Carey, A.M., K.G. Scheckel, E. Lombi, M. Newville, Y. Choi, G.J. Norton, J.M. Chamock, J. Feldmann, A.H. Price, and A.A. Meharg. 2010. Grain unloading of arsenic species in rice. Plant Physiol. 152:309-319.
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UCI(KEPA) : I410-ECN-0101-2020-523-000451672