Land Suitability and Sustainability Evaluation for Sorghum (Sorghum bicolor) Production in Tula, Gombe State, Nigeria I. A. Jimoh1*, M. Yahqub2, K. I. Ofem3 , and Abdulkadir Gambo4* Abstract Land suitability and sustainability evaluation for crop production is important in the control of land degradation in a tropical environment. The current