This book "The Crucial role of extension workers in agricultural technologies transfer and adoption" is written to assist extension workers and Researchers, in accomplishing their tasks. It enumerates types of technology, basic requirements in adopting agricultural technology and characteristics of communication in technology transfer and adoption. It is also concern with likely obstacles that can hinder extension workers in performing his role in technology transfer and adoption. Finally, the book also concerned with evaluation and monitoring of instructional material in Agricultural technology transfer. Emphasis were also laid on the concept of facilitating learning through the use of instructional materials in agricultural technology transfer. Therefore, it is a must have for every researcher,extentionist, who wants to know and apply different extension teaching methods in agricultural technology transfer.