Mar 21 Corn closed at $5.005/bushel, down $0.2375 from yesterday's close.  Mar 21 Wheat closed at $6.345/bushel, down $0.2625 from yesterday's close.  Mar 21 Soybeans closed at $13.1175/bushel, down $0.585 from yesterday's close.  Mar 21 Soymeal closed at $421.6/short ton, down $16.6 from yesterday's close.  Mar 21 Soyoil closed at 42.27 cents/lb down 1.16 cents from yesterday's close.  Apr 21 Live Cattle closed at $122.525/cwt up $2.575 from yesterday's close.  Mar 21 Feeder Cattle closed at $144.15/cwt up $5 from yesterday's close.  Apr 21 Lean Hogs closed at $76.15/cwt up $2.25 from yesterday's close.  Mar 21 WTI Crude Oil closed at $52.27/barrel down $0.86 from yesterday's close.  &n...