Fig. 1From: Optimizing yield of improved varieties of millet and sorghum under highly variable rainfall conditions using contour ridges in Cinzana, MaliThe Cinzana commune and the location of the on-farm trial sites where the effects of contour ridge tillage on the production of local and improved millet and sorghum varieties were tested in 2012, 2013 and 2014 in MaliBack to article page