Download or read book Farmer Evaluations of Technology written by María del Pilar Guerrero and published by CIAT. This book was released on 1993 with total page 144 pages. Available in PDF, EPUB and Kindle. Book excerpt: Preference ranking of technology with farmers makes it possible to identify the different concepts or criteria farmers use in assessing the usefulness of new technology components. This Instructional Unit is designed to train professionals and technicians working in agricultural research. The Unit is one of three on farmer evaluations.