(maximum concentration of aluminum in soil extract was 234.8 4.8 mg kg1, in the leaves of Betula
pendula it was 107.4 1.8 mg kg1 and in the plants of Artemisia vulgaris (root) and Medicago sativa
(leaves) it amounted to 464.7 10.7 mg kg-1and 146.8 1.2 mg kg1 respectively