OGUNKUNLE, Clement O., and Olusegun O. AWOTOYE. “Soil Fertility Status under Different Tree Cropping System in a Southwestern Zone of Nigeria”. Notulae Scientia Biologicae 3, no. 2 (May 16, 2011): 123–128. Accessed April 16, 2024. https://notulaebiologicae.ro/index.php/nsb/article/view/6050.