جاسم رحيم علوان هلول. “Effect of Source and Level of Foliar Zinc Application on Its Concentration in Grain , Growth and Rice Yield Variety Alyasmin ( Oryza Sativa L. ) ”. Journal of Kerbala for Agricultural Sciences 2, no. 1 (March 1, 2015): 147–156. Accessed April 17, 2026. https://journals.uokerbala.edu.iq/index.php/Agriculture/article/view/470.