Afolayan O. Soil-Plant Nutrient Cycling in Old Cocoa Farms in a Part of South Western Nigerian Forest Belt. Tanz. J. Sci. [Internet]. 2020 Jun. 9 [cited 2025 Apr. 14];46(2):564-72. Available from: https://tjs.udsm.ac.tz/index.php/tjs/article/view/165