west-africa-climate-risk-report-appendix-final.pdf
(especially), zones 3, 4 (northern areas). Finger (Tamba) millet - Eleusine coracana Sorghum (guinea corn) - Sorghum bicolor and other varieties Grown mainly at 1000m – 2000m altitude, e.g. on Jos Plateau in central Nigeria About 500 mm rainfall preferred. Dry savannas and grasslands, 40 N and S