Russian Grain Markets: 19-23 February 2018 Domestic grain prices continued to rise due to growing export prices in all regions except Siberia where they remained unchanged. Milling wheat export prices increased to $204/MT FOB Black Sea (+$2), but purchase prices at seaports were stable at $186-190/MT CPT-Black Sea port. Feed barley export prices grew to $212/MT FOB (+$9), while purchase prices at the seaports remained at $190/MT CPT-Black Sea port. Corn export prices climbed to $185/MT FOB Black Sea (+$3).   GEOGRAPHICALLY 3rd grade soft milling wheat prices rose in Volga Valley and Ural (+$0.30-0.60/MT), Central and Black Soil (+$0.90–1.20/MT), and, especially, the South (+$5.80/MT). However, they decreased in Siberia (+$0.6...