Study of soil–plant transfer of 226Ra under greenhouse conditions

0348487 - ÚEB 2011 RIV GB eng J - Journal Article
Soudek, Petr - Petrová, Šárka - Benešová, Dagmar - Kotyza, Jan - Vágner, Martin - Vaňková, Radomíra - Vaněk, Tomáš
Study of soil–plant transfer of 226Ra under greenhouse conditions.
Journal of Environmental Radioactivity. Roč. 101, č. 6 (2010), s. 446-450. ISSN 0265-931X. E-ISSN 1879-1700
R&D Projects: GA MŠMT 1P05OC042; GA MŠMT 1P05ME730
Institutional research plan: CEZ:AV0Z50380511
Keywords : 226-Radium * Lupinus albus * Lupinus luteolus
Subject RIV: EB - Genetics ; Molecular Biology
Impact factor: 1.466, year: 2010

A soil-plant transfer study was performed using soil from a former uranium ore processing factory in South Bohemia. We present the results from greenhouse experiments which include estimates of the time required for phytoremediation. The accumulation of Ra-226 by different plant species from a mixture of garden soil and contaminated substrate was extremely variable, ranging from 0.03 to 2.20 Bq Ra-226/g DW. We found differences in accumulation of Ra-226 between plants from the same genus and between cultivars of the same plant species. The results of Ra-226 accumulation showed a linear relation between concentration of Ra-226 in plants and concentration of Ra-226 in soil mixtures. On the basis of these results we estimated the time required for phytoremediation, but this appears to be too long for practical purposes.
Permanent Link: http://hdl.handle.net/11104/0189014