Growing Sweet Sorghum. Sweet sorghum (Sorghum bicolor (L.) is a plant that looks a lot like corn but with the grain on top rather than to the side. Sweet sorghum is being promoted as major source of bioethanol for addressing the energy problem in the country but it goes beyond that as it also provides human food, livestock feed and forage, and organic fertilizer. Hence, the 4Fs in sweet sorghum production: Fuel, Food, Feed/Forage, Fertilizer.