Debele, T., Preez, D., Ceronio, C., & M, G. (1). Effect of Tillage Systems and Residue Management on Penetrometer Resistance of Nitisols under Maize Production in Western Ethiopia. Ethiopian Journal of Applied Science and Technology, 8(2), 10-18. Retrieved from https://ejhs.ju.edu.et/index.php/ejast/article/view/695