Sarkin, F. M., Fagam, A. S., & Sabo M. U. (2019). EFFECT OF NPK FERTILIZER AND COW DUNG ON SOME GROWTH CHARACTERS OF EXTRA-EARLY MAIZE (Zea mays L.) IN BAGAUDA KANO STATE, NIGERIA. Journal of Agripreneurship and Sustainable Development, 2(1), 169–179. https://doi.org/10.59331/jasd.v2i1.62