Yusuf, D.D. 2007. “A Critical Examination of Maize Yield Response to Tillage, Traffic and Soil Temperature on a Ferruginous Soil (Haplustalf)”. ARID ZONE JOURNAL OF ENGINEERING, TECHNOLOGY AND ENVIRONMENT 5 (October), 13-25. https://azojete.com.ng/index.php/azojete/article/view/328.