GENERAL COMMENTS:March corn closed down 4 1/2 cents and December corn was down 2 1/4 cents. March soybeans closed down 14 3/4 cents and November soybeans were down 14 1/2 cents. March KC wheat closed up 4 1/4 cents, March Chicago wheat was down 1 3/4 cents and March Minneapolis wheat was up 3 3/4 cents.The U.S.