Effect of supplemental nutrition of nitrogen in some growth characters of corn (variety el-maha) under drip irrigation system . Samarra Journal of Pure and Applied Science, [S. l.], v. 3, n. 2, p. 106–114, 2021. DOI: 10.54153/sjpas.2021.v3i2.205. Disponível em: https://www.sjpas.com/index.php/sjpas/article/view/205. Acesso em: 16 apr. 2026.