This group of three articles discusses changes in the following three areas: agriculture (machinery, in-home computers, agricultural research, soil and water conservation, new crops), the office (word processing, personal computers, electronic mail, computer assisted retrieval, teleconferencing), and marketing (electronic catalogs, electronic…

The author describes energy uses and problems in agricultural production which require conservation practices; reviews implications for vocational agriculture training. He discusses agricultural energy conservation techniques, heat exchangers and heat transfer principles, and the utilization of alternative energy sources such as solar, wind, and…