Mar 23 Corn closed at $6.76/bushel, down $0.0025 from yesterday's close.  Mar 23 Wheat closed at $7.65/bushel, down $0.0425 from yesterday's close.  Mar 23 Soybeans closed at $15.265/bushel, up $0.0075 from yesterday's close.  Mar 23 Soymeal closed at $491.4/short ton, up $0.3 from yesterday's close.  Mar 23 Soyoil closed at 61.9 cents/lb up 0.66 cents from yesterday's close.  Apr 23 Live Cattle closed at $164.075/cwt down $0.525 from yesterday's close.  Mar 23 Feeder Cattle closed at $186.225/cwt down $1.1 from yesterday's close.  Apr 23 Lean Hogs closed at $85.775/cwt down $0.725 from yesterday's close.  Mar 23 WTI Crude Oil closed at $78.06/barrel down $0.53 from yesterday's close.  &...