Effect of nitrogen fertilization rate on vegetative growth of an intensive apple orchard under optimal irrigation. Bulgarian Journal of Soil Science, Agrochemistry and Ecology, [S. l.], v. 60, n. 2, p. 33–41, 2026. DOI: 10.61308/JRAX3170. Disponível em: https://agriacad.eu/ojs/index.php/bjssae/article/view/6689.. Acesso em: 8 aug. 2026.