INFLUENCE OF TIME OF NITROGEN SECOND DOSE FERTILIZATION MAIZE (Zea mays L.) VARIETIES IN NORTHERN GUINEA SAVANNAH OF NIGERIA . FJS [Internet]. 2021 Jun. 12 [cited 2025 Sep. 3];4(4):183-90. Available from: https://fjs.fudutsinma.edu.ng/index.php/fjs/article/view/470