Grain prices close higher Friday CHICAGO, June 29 (UPI) -- Grain futures closed higher Friday on the Chicago Board of Trade with a boost from the dollar index, which fell 1.34 percent. Corn was up 2 1/4 to up 20 1/2, soybeans were up 24 1/4 to up 46 3/4, wheat was up 9 3/4 to up 13 and oats were unchanged to up 2. The USDA said 96.4 million acres were planted in corn, slightly more than trade expectations. Spring wheat was estimated at 11.99 million acres planted, less than expectations, which came to 12.55 million acres. Acres planted in soybeans was estimated at 76.08 million acres. Traders had expected 75.5 million acres had been planted with soybeans. Corn: Jly 6.72 1/2 up 20 1/2, Sep 6.28 1/2 up 2 1/4, Dec 6.34 3/4 up 2 1/2, Mar 6.43 3/4 up 2 1/2. Soybeans: Jly 15.12 3/4 up 46 3/4, Aug 14.81 3/4 up 35 1/2, Sep 14.50 1/4 up 32 3/4, Nov 14.27 3/4 up 24 1/4. Wheat: Jly 7.39 up 13, Sep 7.57 1/4 up 11 1/4, Dec 7.76 3/4 up 10, Mar 7.91 up 9 3/4. Oats: Jly 3.36 up 2, Sep 3.38 up 2, Dec 3.44 up 1/4, Mar 3.49 1/4 unchanged.