HASSAN, M. R. . .; KATTAB, M. . Effect of nitrogen level on the vegetative growth and flower production of Delphinium grandiflorum, L. The Libyan Journal of Agriculture, [S. l.], v. 12, n. 1, 2023. Disponível em: http://uot.edu.ly/journals/index.php/ljagric/article/view/446. Acesso em: 17 jul. 2024.