Mar 23 Corn closed at $6.8375/bushel, up $0.0075 from yesterday's close.  Mar 23 Wheat closed at $7.525/bushel, up $0.025 from yesterday's close.  Mar 23 Soybeans closed at $15.3525/bushel, up $0.2575 from yesterday's close.  Mar 23 Soymeal closed at $488.7/short ton, up $15.2 from yesterday's close.  Mar 23 Soyoil closed at 61.32 cents/lb up 0.7 cents from yesterday's close.  Apr 23 Live Cattle closed at $163.35/cwt up $2.525 from yesterday's close.  Mar 23 Feeder Cattle closed at $183.925/cwt up $0.45 from yesterday's close.  Apr 23 Lean Hogs closed at $86.525/cwt up $0.075 from yesterday's close.  Mar 23 WTI Crude Oil closed at $77.75/barrel down $1.93 from yesterday's close.   ...