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Experiments were conducted in 2002 at Zagaje Stradowskie in the Świętokrzyskie province in the area where air is unpolluted and in Bytom in the Silesia province where the air is heavily polluted. In both localities observations were carried out on broad beans, (Vicia faba L., ssp. maior), White Windsor cv. cultivated on the following plots: unpolluted soil - with natural heavy metal contents (Control);...
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