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Published in:
2006 | OriginalPaper | Chapter
Study of radiophytoremediation on heavily polluted area in South Bohemia
Authors : Petr Soudek, Sarka Valenova, Tomas Vanek
Published in: Uranium in the Environment
Publisher: Springer Berlin Heidelberg
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A phytoremediation study was performed on the area of the old uranium mill tailings waste depot of a former uranium ore reprocessing factory in South Bohemia. The distribution of
226
Ra in contaminated soil was found to be extremely variable (from 7 to 32 Bq
226
Ra/g of DW). No direct relation was proved between plant species characteristics and their radioactivity content. The results showed a great range of variation in the accumulation of
226
Ra by the plant species found. The highest activity of
226
Ra was found in
Potentilla reptans
(4.09 Bq
226
Ra/g of DW),
Mentha arvensis
(4.00 Bq
226
Ra/g of DW), and
Daucus carota
(3.70 Bq
226
Ra/g of DW). The greenhouse and small scale field experiments show
Cannabis sativa
“Beniko” as a good potential accumulator of activity
226
Ra.