Molnár, Zsuzsa, and Mihály Sarvari. “The Effect of Sowing Time and Plant Density on the Yield of MaizeHybrids”. Acta Agraria Debreceniensis, no. 16 (December 6, 2005): 95–104. Accessed April 28, 2024. https://ojs.lib.unideb.hu/actaagrar/article/view/3296.