Muda , S. A., M. O. Azeez, and A. D. Kehinde. “Tropical Soils and Crop Productivity — A Systematic Review”. ADAN JOURNAL OF AGRICULTURE 7, no. 1 (July 11, 2026). Accessed August 29, 2026. https://adanjournal.org.ng/index.php/adanj/article/view/181.