Chicago Board of Trade soybean futures dipped on Thursday to a new three-year low, pressured by improving South American weather, tepid U.S. export sales and heavier-than-expected contract deliveries, traders said.

Weekly soybean exports on lower end of expectations -USDA
Canada has imported 564,900 tonnes of U.S. corn since Sept. 1
Corn extends recovery; wheat futures fell
Soybean futures backpedal from early advances
US grain exports face competition from South America
Wheat futures weaken as U.S. files sanctions against Russia
Research from the U.S. Midwest sparks controversy, but the solution may be easier
Some populations of European corn borer have shown Bt resistance in Manitoba and elsewhere
Rising stockpiles, falling Chinese demand spurred massive short in corn, soy
Corn-based ethanol industry frustrated by late start date