Grains mostly lower Tuesday - UPI.com CHICAGO, March 20 (UPI) -- Grain futures were mostly lower Monday on the Chicago Board of Trade, with the dollar index up 0.21 percent. Corn was off 10 to off 16, Soybeans were off 19 1/4 to off 21 1/2, wheat was off 8 1/2 to off 9 3/4 and oats were off 3 1/4 to up 1 1/4. Corn prices fell as demand from China has been slack and shows few signs of improving. China is said to be considering a sale of soybeans from its national stockpiles. Wheat prices rose as the market continues to be overbought. Early crop reports put the crop in Kansas as 54 percent good to excellent with crops in Oklahoma rated 70 percent good to excellent. Corn: May 6.47 1/2 off 16, Jly 6.46 off 15 1/2, Sep 5.9 3/4 off 10 1/4, Dec 5.60 1/4 off 10. Soybeans: May 13.45 off 21 1/2, Jly 13.52 1/4 off 21 1/4, Aug 13.43 1/2 off 20 1/2. Sep 13.24 off 19 1/4. Wheat: May 6.42 1/2 off 9 3/4, Jly 6.51 1/2 off 9 1/2, Sep 6.67 1/4 off 9 1/2, Dec 6.86 3/4 off 8 1/2. Oats: May 3.31 off 3 1/4, Jly 3.23 1/4 up 1 1/4, Sep 3.17 1/4 up 1 1/4, Dec 3.23 1/2 unchanged.