Agriculture in Ghana consists of a variety of agricultural products and is an established economic sector, and provides employment on a formal and informal basis. Ghana produces a variety of crops in various climatic zones which range from dry savanna to wet forest and which run in eastwest bands across Ghana. Agricultural crops, including yams, grains, cocoa, oil palms, kola nuts, and timber, form the base of agriculture in Ghana's economy In the year of 2013, agriculture employed 53.6% of the total labor force in Ghana.