Dogachi , Kifah. “The Effect of Fe and Zn Foliar Application on Yield and Yield Component for Corn Genotypes ( Zea Mays L.) ”. University of Thi-Qar Journal of Science 3, no. 1 (May 17, 2019): 96-111. Accessed August 15, 2021. https://jsci.utq.edu.iq/index.php/main/article/view/234.