Chicago soybean futures rose on Tuesday, while wheat eased and corn futures were unchanged as traders were making adjustments in thin pre-holiday trading. The U.S. dollar, near a two-year peak, was a weight on the market as it makes U.S. supplies more expensive in export markets. Russia's wheat export quota is expected to be sharply reduced next year. Warmer-than-usual weather in Russia could complicate the overwintering of grains, and securing access for Russia's winter wheat and barley to the Chinese market remains a priority for the coming year. The bourse will be closed on Wednesday for Christmas.