ABSTRACT
The study covered Institute for Agricultural Research, Samaru and National Agricultural Extension Research and Liaison Services both of the Agricultural complex of Ahmadu Bello University, Zaria as a Case Study. The two institutions have been under the sponsorship of the Federal Ministry of Agriculture and Rural Development. Both have decades of experience within the Northern region of Nigeria. For this study, the North - West Agricultural Zone was identified as the Study Area. Findings indicated that through the use of instructional material both the efficiency of learning and positive attitudes towards extension may be enhanced. Each person must decide which of the various instructional Aids should receive attention when planning and producing visual instructional Aids materials. To satisfy the outcomes specifically, instructional materials would not only be of high quality but also should be selected or designed, produced, and used as an integral part of an instructional training programme, capacity building, monitoring and evaluation. They must make a definite contribution to the achievement of the extension's objectives. For this reason, resource persons interested in planning, producing and using instructional visual aids should also become acquainted with the process of systematic instructional design, skills, motivate, activate, retrain and train (