Sept. 20 (Bloomberg) -- What follows are opening calls for U.S. grain and oilseed markets, which resume trading at 5 p.m. on the Chicago Board of Trade.
-- Soybean futures may open 1 cent to 3 cents a bushel lower on speculation that rain during the past month across the U.S. Midwest boosted yields, Jerry Gidel, the chief grain analyst for Rice Dairy LLC in Chicago, said in a telephone interview.
-- Corn futures are called to open steady to 1 cent a bushel lower as dry weather forecast for the next 10 days may accelerate harvesting and sales by Midwest farmers, Gidel said.
-- Wheat futures may open steady to 1 cent a bushel higher on speculation that dry weather across the drought-parched southern U.S. Great Plains will delay planting, reducing yield potential, Gidel said.
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