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http://dx.doi.org/10.5338/KJEA.2015.34.4.46

Heavy Metal Accumulation in Edible Part of Eleven Crops Cultivated in Metal Contaminated Soils and Their Bio-concentration Factor  

Lim, Ga-Hee (Department of Environmental Horticulture, College of Natural Science, University of Seoul)
Kim, Kye-Hoon (Department of Environmental Horticulture, College of Natural Science, University of Seoul)
Seo, Byoung-Hwan (Department of Agronomy and Medicinal Plant Resources, College of Bioscience, Gyeongnam National University of Science and Technology)
Kim, Kwon-Rae (Department of Agronomy and Medicinal Plant Resources, College of Bioscience, Gyeongnam National University of Science and Technology)
Publication Information
Korean Journal of Environmental Agriculture / v.34, no.4, 2015 , pp. 260-267 More about this Journal
Abstract
BACKGROUND: The current study was conducted to examine the species specific accumulation of Cd and Pb in 11 crop species (Soybean, Sesame, Corn, Polished rice, Carrot, Potato, Garlic, Spring onion, Chinese leek, Red pepper, Eggplant), through cultivating them under the same condition with metal contaminated soils.METHODS AND RESULTS: Eleven crop species were cultivated in three different soils contaminated with Cd and Pb and harvested. Edible parts of each crop was pretreated and analyzed to determine Cd and Pb concentrations, and subsequently bioconcentration factors (BCFs) were calculated. In general, the crops of which seeds are used as food showed high concentrations of both Cd and Pb. For instance, Cd concentrations in crops cultivated in Soil A was in the order of soybean (0.432 mg kg-1) > sesame (0.385) > polished rice (0.176) > carrot (0.116) > corn (0.060) > red pepper > (0.047) > potato (0.044) > egg plant (0.025) > garlic (0.023) > spring onion (0.016) > Chinese leek (0.011). BCFs showed the same order.CONCLUSION: From this study, it can be conclude that seeds plants should not be cultivated in Cd and Pb contaminated soils to secure food safety from metal contaminated soils.
Keywords
Abandoned Mining Areas; Agricultural soils; Cadmium; Heavy metals; Lead; Phytoavailability;
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