Mar 20 Corn closed at $3.7975/bushel, down $0.02 from yesterday's close.  Mar 20 Wheat closed at $5.42/bushel, down $0.1 from yesterday's close.  Mar 20 Soybeans closed at $8.8475/bushel, up $0.005 from yesterday's close.  Mar 20 Soymeal closed at $290.8/short ton, down $0.6 from yesterday's close.  Mar 20 Soyoil closed at 30.72 cents/lb up 0.1 cents from yesterday's close.  Apr 20 Live Cattle closed at $117.175/cwt down $1.5 from yesterday's close.  Mar 20 Feeder Cattle closed at $134.675/cwt down $1.025 from yesterday's close.  Apr 20 Lean Hogs closed at $64.225/cwt down $0.85 from yesterday's close.  Mar 20 WTI Crude Oil closed at $50.04/barrel up $0.47 from yesterday's close.   ...