Mar 20 Corn closed at $3.8175/bushel, down $0.0175 from yesterday's close.  Mar 20 Wheat closed at $5.52/bushel, down $0.0675 from yesterday's close.  Mar 20 Soybeans closed at $8.8425/bushel, up $0.0225 from yesterday's close.  Mar 20 Soymeal closed at $291.4/short ton, up $2.1 from yesterday's close.  Mar 20 Soyoil closed at 30.62 cents/lb down 0.35 cents from yesterday's close.  Apr 20 Live Cattle closed at $118.675/cwt down $1.125 from yesterday's close.  Mar 20 Feeder Cattle closed at $135.7/cwt up $0.5 from yesterday's close.  Apr 20 Lean Hogs closed at $65.075/cwt down $1.175 from yesterday's close.  Mar 20 WTI Crude Oil closed at $49.55/barrel down $0.77 from yesterday's close. ...