Solar drying has been practised for conservation of foods for centuries. Utilization of the sun is more actual than ever. The solar tunnel dryer type "Hohenheim" unites simple construction, use of renewable energy and aesy handling. This dryer is particularly apt for production of

high quality products in agricultural enterprises. As a cooperaitve development of the Institute for Agricultural Engineering in the Tropics and Subtropics of Hohenheim University and INNOTECH Engineering Ltd., solar tunnel dryers are in commercial operation in more tha n60 countries all over the world.