GENERAL COMMENTS:March corn closed down 5 3/4 cents and May corn was down 5 3/4 cents. March soybeans closed down 11 1/4 cents and May soybeans were down 9 1/2 cents. March KC wheat closed down 3/4 cents, March Chicago wheat was down 4 3/4 cents, March Minneapolis wheat was up 2 cents.The U.S.