Bello, W.B., Olla, N.O., and Abdul Azeez, S. A., “Effect of NPK fertilizer, Poultry manure, compost and their integration under different methods of application on Maize yield ”, JAESR, vol. 5, no. 1, Aug. 2024, Accessed: Oct. 05, 2025. [Online]. Available: https://hummingbirdjournals.com/jaesr/article/view/171