AMOAFOA, Bernice; MENKA, Collins Agyei; SUMAILA, Iddrisu. Nutrient Characteristics of Biochar Derived from Cocoa Husk, Rice Straw and Corn Cob and Their Effects on Maize Yield in Ghana. Direct Research Journal of Agriculture and Food Science, [S. l.], v. 14, n. 1, p. 40–49, 2026. DOI: 10.26765/DRJAFS17284877. Disponível em: https://journals.directresearchpublisher.org/index.php/drjafs/article/view/597. Acesso em: 8 jun. 2026.