Effa EB, Derrick EE, Eja DE. Synergistic effects of poultry and goat manures on the growth and yield of groundnut (Arachis hypogaea l.) in humid Ultisol. JAFE. 2025;6(1):85-94. Accessed April 19, 2025. https://jafe.net.ng/index.php/home/article/view/73