“EFFECT OF NITROGEN FERTILIZERS ON GROWTH AND YIELD TRAITS OF MAIZE: EFFECT OF NITROGEN FERTILIZERS ON GROWTH AND YIELD TRAITS OF MAIZE”. 2022. Iraqi Journal of Market Research and Consumer Protection 14 (2): 40-49. https://www.jmracpc.uobaghdad.edu.iq/index.php/IJMRCP/article/view/301.