ABSTRACT
Introduction Crops have been used as a source of fuel, chiefly in the
form of wood (and charcoal), for a very long time and, in many parts of the world, crop by-products, such as millet straw, are the main source of domestic fuel.
Introduction Crops have been used as a source of fuel, chiefly in the
form of wood (and charcoal), for a very long time and, in many parts of the world, crop by-products, such as millet straw, are the main source of domestic fuel.