NO GRAIN SHIPMENTS TO THE USSR -- USDA There were no shipments of U.S. grain or soybeans to the Soviet Union in the week ended March 19, according to the U.S. Agriculture Department's latest Export Sales report. The USSR has purchased 2.40 mln tonnes of U.S. corn for delivery in the fourth year of the U.S.-USSR grain agreement. Total shipments in the third year of the U.S.-USSR grains agreement, which ended September 30, amounted to 152,600 tonnes of wheat, 6,808,100 tonnes of corn and 1,518,700 tonnes of soybeans.