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Effect of nutrient uptake by plant roots on the fate of REEs in soil
https://repo.qst.go.jp/records/44117
https://repo.qst.go.jp/records/4411717df6a29-563f-487d-88ab-af6c4a0a20f1
Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2006-05-31 | |||||
タイトル | ||||||
タイトル | Effect of nutrient uptake by plant roots on the fate of REEs in soil | |||||
言語 | ||||||
言語 | eng | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | journal article | |||||
アクセス権 | ||||||
アクセス権 | metadata only access | |||||
アクセス権URI | http://purl.org/coar/access_right/c_14cb | |||||
著者 |
Nakamaru, Yasuo
× Nakamaru, Yasuo× Tagami, Keiko× Uchida, Shigeo× 中丸 康夫× 田上 恵子× 内田 滋夫 |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | Concentrations of rare earth elements (REEs) and major ions in soil solutions were observed under different growth stages of soybean in order to evaluate the effect of nutrient uptake by plant roots on the mobility of REEs in soil-plant systems. Soybean plants were grown in pots, which were kept in a greenhouse for 84 d. The concentrations of major nutrient cations (K and Ca) in the soil solution decreased with the soybean growth. On the other hand, the concentrations of Al, Y, La, Ce, Nd, Gd, Dy, Er and Yb increased. Although no decrease of pH was observed, it was assumed that the REEs and Al were dissolved from the soil solid phase due to H+ release from the plant roots for K+ and Ca2+ uptake. Subsequently, the bioaccumulation of REEs in the soybean roots was observed in the maturing stage of the soybean. These results showed that the soybean roots could enhance the dissolution of REEs from the soil solid phase and they also could accumulate REEs through plant growth. | |||||
書誌情報 |
Journal of Alloys and Compounds 巻 408/412, p. 413-416, 発行日 2006-02 |
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ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 0925-8388 |