Sarkin, F. M., Fagam, A. S., and Sabo M. U. “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, no. 1 (June 1, 2019): 169–179. Accessed April 30, 2024. http://njaat.atbu.edu.ng/index.php/jasd/article/view/62.