Interaction Effect of Phosphorus and Zinc Fertilizer for Different Levels in Growth of Two Varieties of Wheat Plant. Ibn AL-Haitham Journal For Pure and Applied Sciences, [S. l.], v. 23, n. 1, p. 117–129, 2017. Disponível em: https://jih.uobaghdad.edu.iq/index.php/j/article/view/983.. Acesso em: 3 may. 2024.