Ecseri, Károly, János Ágoston, Attila Hüvely, Judit Pető, and Péter Honfi. “Investigation of Phenological Development of Some Ephemeral Annual Ornamental Plants in Regard to Nitrogen Application”. Review on Agriculture and Rural Development 6, no. 1-2 (July 18, 2018): 57–62. Accessed December 20, 2024. https://iskolakultura.hu/index.php/rard/article/view/18073.