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	Accumulation and fractionation of rare earth elements in a soil-wheat system
	Liang T.
	2006
关键词	accumulation fractionation rare earth elements wheat grown plants complexation behavior heavy-metals distributions groundwaters environment phosphorus fertilizer silicon waters
英文摘要	Time series bioaccumulation of rare earth elements (REEs) in field-grown wheat with and without a dressing of extraneous REE fertilizer at different growth stages and fractionation of REEs during their transport in a soil-wheat system were determined. Time-dependent accumulation of extraneous REEs was found in different parts of wheat. An upward transport of extraneous REEs from roots to shoots under a soil dressing and a downward transport from leaves to roots with a foliar dressing were also observed. Moreover, fractionation of REEs occurred in the soil-wheat system. Compared to the host soil a positive Eu anomaly in the stems and grains as well as heavy REE enrichment in the grains were found. The ability of the different wheat organs to fractionate Eu from the REE series was ranked in the order of stems >= grains > leaves > roots.
出处	Pedosphere
卷	16
期	1
页	82-90
收录类别	SCI
语种	英语
ISSN号	1002-0160
内容类型	SCI/SSCI论文
源URL	[http://ir.igsnrr.ac.cn/handle/311030/24131]
专题	地理科学与资源研究所_历年回溯文献
推荐引用方式 GB/T 7714	Liang T.. Accumulation and fractionation of rare earth elements in a soil-wheat system. 2006.

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