Fejes, Veronika, Zoltán Győri, and Zsuzsa Bardócz. 2012. “Comparison of Macroelement and Microelement Contents of Conventionally and Organically Grown Crops”. Acta Agraria Debreceniensis, no. 50 (December):87-92. https://doi.org/10.34101/actaagrar/50/2571.