A Rusagrotrans official indicated the effective export duty for wheat will significantly influence the structure of Russia's March grain exports with barley expected to be the dominant crop. Russian Grain Markets Market Trends: 2-6 March 2015 Russia's domestic and export grain markets continued on a downward trend due to the strengthening of the ruble as well as decreasing prices for wheat, corn and barley on the global grain market. GEOGRAPHICALLY: 3rd grade soft milling wheat prices decreased in Ural and Siberia (-$6.30–6.80/MT), the South (-$6/MT), Black Soil (-$5.20/MT), and Volga Valley and Central (-$4.30-4.50/MT).4th grade soft milling wheat prices dropped in the South (-$8/MT), Central and Black Soil (-$5-5.30/MT), Volga Valley...