Mar 21 Corn closed at $5.315/bushel, down $0.0275 from yesterday's close.  Mar 21 Wheat closed at $6.755/bushel, up $0.055 from yesterday's close.  Mar 21 Soybeans closed at $14.1675/bushel, down $0.1375 from yesterday's close.  Mar 21 Soymeal closed at $463.2/short ton, down $1.7 from yesterday's close.  Mar 21 Soyoil closed at 41.85 cents/lb down 1.26 cents from yesterday's close.  Apr 21 Live Cattle closed at $118.2/cwt up $0.975 from yesterday's close.  Mar 21 Feeder Cattle closed at $135.825/cwt up $2.45 from yesterday's close.  Feb 21 Lean Hogs closed at $67.925/cwt up $1.625 from yesterday's close.  Feb 21 WTI Crude Oil closed at $52.36/barrel down $1.21 from yesterday's close.  &...