Agriculture continues to be the single largest sector, a dominant driving force for growth and the main source of livelihood for 70 percent of the country's population. It accounts for 21.8 percent of the GDP and employs 44.7 percent of the total work force. As such agriculture enjoyed the center of the national economic policies and has been designated by the government as the engine of the national economic growth as well as effective tool of poverty reduction. Agriculture contributes to the economic growth as a base of raw material to the…