GENERAL COMMENTS:March corn closed down 1 1/2 cents and May corn was down 1 3/4 cents. January soybeans closed down 7 1/2 cents and March soybeans were down 8 1/4 cents. March KC wheat closed down 5 3/4 cents, March Chicago wheat was down 6 1/4 cents and March Minneapolis wheat was down 4 cents.The U.S.