Ungai, Diána, and Zoltan Győri. “Response of Sugar Beet to Different Foliar Fertilizers”. Acta Agraria Debreceniensis, no. 32 (December 21, 2008): 127–136. Accessed May 3, 2024. https://ojs.lib.unideb.hu/actaagrar/article/view/3027.