“GRAIN PHYSICAL QUALITIES OF TWO SORGHUM (Sorghum Bicolor (L.) Moench) VARIETIES AS AFFECTED BY COWDUNG AND INORGANIC NITROGEN IN NORTHERN GUINEA SAVANNA ECOLOGICAL ZONE, NIGERIA”. Wudil Journal of Science and Technology Education, vol. 8, no. 1, May 2026, https://wujostec.com.ng/index.php/wujostec/article/view/83.