GENERAL COMMENTS:March corn closed down 1 cent and December corn was down 1 1/2 cents. March soybeans closed up 4 1/2 cents and November soybeans were up 2 cents. March KC wheat closed down 17 1/4 cents, March Chicago wheat was down 13 1/2 cents and March Minneapolis wheat was down 12 1/2 cents.The U.S.