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Effect of Zero-Valent Iron Application on Cadmium Uptake in Rice Plants Grown in Cadmium-Contaminated Soils

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Title: Effect of Zero-Valent Iron Application on Cadmium Uptake in Rice Plants Grown in Cadmium-Contaminated Soils
Authors: Watanabe, Toshihiro Browse this author →KAKEN DB
Murata, Yasutoshi Browse this author
Nakamura, Takashi Browse this author
Sakai, Yuki Browse this author
Osaki, Mitsuru Browse this author
Keywords: cadmium-contaminated soils
Oryza sativa L.
reducing power
sequential extraction method
zero-valent iron
Issue Date: Jul-2009
Publisher: Taylor & Francis
Journal Title: Journal of Plant Nutrition
Volume: 32
Issue: 7
Start Page: 1164
End Page: 1172
Publisher DOI: 10.1080/01904160902943189
Abstract: Cadmium (Cd) contamination in soils is a serious problem for crop production in the world. Zero-valent iron (Fe(0)) is a reactive material with reducing power capable of stabilizing toxic elements in a solution. In the present study, we examined the effect of zero-valent iron (Fe(0)) application on Cd accumulation in rice plants growing in Cd-contaminated paddy soils. The Fe(0) application significantly decreased the Cd accumulation in the leaves and seeds of rice plants grown in Cd-contaminated soils. The form of Cd in soil was determined by sequential extraction. The Fe(0) application increased the free-oxides-occluded (less available) Cd content, and decreased the exchangeable and Fe-Mn-oxides-bound (more available) Cd content, in Cd-contaminated soils.
Rights: This is an electronic version of an article published in Journal of Plant Nutrition, 32(7) July 2009, 1164-1172. Journal of Plant Nutrition is available online at:
Type: article (author version)
Appears in Collections:農学院・農学研究院 (Graduate School of Agriculture / Faculty of Agriculture) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 渡部 敏裕

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