Russia will introduce a duty on wheat exports from Feb. 1, the government said, adding to other restrictions with which it is battling a rise in domestic grain prices. Russia, expected to be the world’s fourth-largest wheat exporter this year, has been exporting record volumes from a large grain crop of 105 million tonnes as the ruble’s plunging value has spurred a dash for foreign currencies. But last week, Moscow imposed informal export controls, including tougher quality monitoring and slashed railway loading programs, in a bid to cool domestic prices while also unveiling plans to impose a duty on exports. The government said late on Thursday the duty on wheat exports would amount to 15 percent of the customs price plus 7.5 euros and would be no less than 35 euros ($43) per tonne from Feb. 1 until June 30, 2015. Trade sources expect business to […]