Claim: Digitaria exilis,  grains that are used in porridge and couscous that can be relied on in semi-arid areas, an area with the climate of a region that receives precipitation below potential evapotranspiration, is mainly produced in  Guinea which produced 429,000 tons in 300,000 hectares, and Nigeria that produced 90,000 in the 165,000 hectares.
Evidence: The grains are used in porridge and couscous, for bread, and for beer. It is a crop that can be relied on in semi-arid areas with poor soils, where rains are brief and unreliable. A semi-arid climate, semi-desert climate, or steppe climate is the climate of a region that receives precipitation below potential evapotranspiration, but not as low as a desert climate. Production and cultivation area (2013) Guinea 429 000 300 000 Nigeria 90 000 165 000