Influence of NPK fertilizer on tuber yield of early and late-planted cassava in a forest alfisol of south-western Nigeria. Frontiers of Agriculture and Food Technology, [S. l.], v. 10, n. 1, p. 91–95, 2019. Disponível em: https://kevinpage.org/index.php/FAFT/article/view/690. Acesso em: 28 oct. 2026.