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  • 1 Slovak Technical University Department of Environmental Science Bratislava Slovak Republic
  • 2 Institute of Experimental Phytopathology and Entomology of the Slovak Academy of Sciences Ivanka pri Dunaji Slovak Republic
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Fe and Zn were determined in various parts of maize (Zea mays) in dependence on quantity of organic substrate EKOFERT as organic fertilizer in soil, using radionuclide X-ray fluorescence analysis. The increase of quantity of organic substrate EKOFERT in soil causes a decrease of heavy metal concentrations in certain parts of the plant.