“INFLUENCE OF TIME OF NITROGEN SECOND DOSE FERTILIZATION MAIZE (Zea Mays L.) VARIETIES IN NORTHERN GUINEA SAVANNAH OF NIGERIA ”. FUDMA JOURNAL OF SCIENCES 4, no. 4 (June 12, 2021): 183–190. Accessed September 3, 2025. https://fjs.fudutsinma.edu.ng/index.php/fjs/article/view/470.