This marvelous, energy-producing plant is a basic food for mankind in regions of Africa, Asia and India, because it is very hardy and can be grown in areas of the world that are too hot or too dry for other crops to be grown successfully. This is the grain sorghum that is raising the interest of various snack food processors in the United States. Grain sorghum is one of the five more important cereal crops behind rice, wheat, corn and barley.