El Hallof, Nóra, and Mihály Sárvári. “Productivity and Nutrient Reaction of Maize Hybrids”. Acta Agraria Debreceniensis, no. 16 (December 6, 2005): 78–83. Accessed December 18, 2024. https://ojs.lib.unideb.hu/actaagrar/article/view/3293.