Onah, C. ., Nnadi, A. ., Eyibio, N. ., Obi, J. ., Orah, A. ., Amuji, C. ., & Obalum, S. . (2023). Off-Season Heavy Application of Poultry Manure to Droughty-Acid Soils under Heavily Protective Organic Mulch Later Burnt to Ash Improves Their Productivity. West African Journal of Applied Ecology, 31(1), 23–36. Retrieved from https://www.ajol.info/index.php/wajae/article/view/249098