INFLUENCE OF TIME OF NITROGEN SECOND DOSE FERTILIZATION MAIZE (Zea mays L.) VARIETIES IN NORTHERN GUINEA SAVANNAH OF NIGERIA . FUDMA JOURNAL OF SCIENCES, [S. l.], v. 4, n. 4, p. 183–190, 2021. DOI: 10.33003/fjs-2020-0404-470. Disponível em: https://fjs.fudutsinma.edu.ng/index.php/fjs/article/view/470. Acesso em: 3 sep. 2025.