Russia's domestic grain prices continued to rise due to the decreasing stocks and offers of  the 2015 production. However, barley prices started dropping significantly in the South where the winter crop harvest will soon start and boost supplies. Russian Grain Markets Market Trends: 23-27 May 22016 Grain prices continued to rise due to the decreasing stocks and offers of the 2015 production. However, barley prices started dropping in the South where the winter crop harvest will soon start and boost supplies. GEOGRAPHICALLY 3rd grade soft milling wheat prices grew in Central and Volga Valley (+$3.60-3.70/MT), the South and Black Soil (+$2.50/MT), and Ural and Siberia (+$2/MT).4th grade milling wheat prices also increased in the Sou...