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. wujostec [Internet]. 2026 May 14 [cited 2026 Jun. 1];8(1). Available from: https://wujostec.com.ng/index.php/wujostec/article/view/83