Journal
JOURNAL OF GEOCHEMICAL EXPLORATION
Volume 123, Issue -, Pages 33-40Publisher
ELSEVIER
DOI: 10.1016/j.gexplo.2012.08.021
Keywords
Heavy metal compounds; The soil-plant system; Bioavailability; Accumulation coefficient
Categories
Funding
- Russian Foundation of Fundamental Research [11-05-90351-RBU_a]
- Ministry of Science of the Russian Federation [PH 5.5349.2011, 16.740.11.0232, 16.740.11.0528, 16.740.11.0054]
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Under consideration is the input of Cu, Zn and Pb to barley grown on ordinary chernozem and chestnut soil under conditions of a pot experiment. The application of these elements is accompanied by accumulation in plants in the following way: Zn >> Cu>Pb. The increase in soil contamination degree and combined application of heavy metals promote more intensive accumulation of Cu and Zn in barley straw as compared to grain. It is shown that the Cu, Zn and Pb amounts in grain and straw are highly dependent on the content of metal compounds which are not firmly bound in soils. Differences in the plant tolerance to heavy metals are reflected by an accumulation coefficient. (C) 2012 Elsevier B.V. All rights reserved.
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