Agriculture is the art and science of cultivating the soil, growing crops and raising livestock. It includes the preparation of plant and animal products for people to use and their distribution to markets. Agriculture provides most of the world's food and fabrics.In Tanzania,the most common food crops are maize, wheat, rice, sweet potatoes, bananas, beans sorghum, and sugar cane. Cash crops include coffee, cotton, cashew nuts, tobacco, tea and sisal.