U. E, Utin, and Essien G. E. “Soil Properties and Growth of Maize As Affected by Slope Position and Fertilizer Type on Coastal Plain Sands”. International Journal of Sustainable Agricultural Research 8, no. 4 (September 7, 2021): 180–197. Accessed November 22, 2024. https://archive.conscientiabeam.com/index.php/70/article/view/331.