Onah C, Nnadi A, Eyibio N, Obi J, Orah A, Amuji C, Obalum S. Off-Season Heavy Application of Poultry Manure to Droughty-Acid Soils under Heavily Protective Organic Mulch Later Burnt to Ash Improves Their Productivity. WAJAE [Internet]. 2023 Jun. 7 [cited 2026 Aug. 12];31(1):23-36. Available from: https://www.ajol.info/index.php/wajae/article/view/249098