1. Department of Agricultural and Environmental Chemistry; University of Agriculture in Krakow; Krakow Poland
2. Department of Soil Science Erosion and Land Protection; Institute of Soil Science and Plant Cultivation-State Research Institute; Pulawy Poland
3. AGH University of Science and Technology, Faculty of Geology, Geophysics and Environmental Protection, Department of Mineralogy; Petrography and Geochemistry; Krakow Poland