Grain proximate compositions of two sorghum (Sorghum bicolor Moench (L.) ) varieties as affected by Cow dung and inorganic Nitrogen Fertilizer in northern Guinea savanna ecological zone. wujostec. 2026;8(1). Accessed June 1, 2026. https://www.wujostec.com.ng/index.php/wujostec/article/view/79