Toungos, M.D. 2019. OPTIMIZING NITROGENOUS FERTILIZER WITH AND WITHOUT COW DUNG ON THE GROWTH AND YIELD OF MAIZE (Zea mays L) IN DIGIL-MUBI, ADAMAWA STATE, NIGERIA. International Journal of Research -GRANTHAALAYAH. 7, 3 (Mar. 2019), 264–273. DOI:https://doi.org/10.29121/granthaalayah.v7.i3.2019.968.