1.
Fazekas C, Péntek A. The impact of foliar fertilization on the nectar production and apicultural value of sunflower (Helianthus annuus l.). GEORGIKON AGRICUL [Internet]. 2016 Dec. 7 [cited 2026 Jan. 31];20(2):14-23. Available from: https://journal.uni-mate.hu/index.php/gfa/article/view/6671