“Effects of Cattle and Poultry Manures on Organic Matter Content and Absorption Complex of a Sandy Soil under Cassava Cultivation (Manihot Esculenta, Crantz)”. International Journal of Manures and Fertilizers 1, no. 1 (May 28, 2012): 222–229. Accessed March 23, 2026. https://ijpp.org/journal/index.php/ijmf/article/view/281.