Abstract
SummaryPot experiments with bean (Phaseolus vulgaris) and white mustard (Sinapis alba) were carried out in order to estimate the heavy metal content in plants growing on polluted soils around a copper smelter in the absence of the influence of air pollution. Additionally determinations were made of acid-soluble (HC1) and water-soluble forms of Cu, Pb, Zn, Cd, Ni, Mn and Co, in order to estimate the solubility of these elements. For comparison, samples of sludge and river sediments (dredged from a waterway) were included. The solubility of heavy metals in H2O was lower in polluted soils from the vicinity of copper smelter than in soils of a similar origin which were unaffected by air pollution. An exception was formed by Cu, the solubility of which was higher in the polluted soils. Plants showed the same tendency with regard to bioavailability of heavy metals, but generally, when planted on sandy soils, they took up more heavy metals from the polluted soils, than when they were planted on loamy polluted soils.
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