Mar 20 Corn closed at $3.8075/bushel, down $0.015 from yesterday's close.  Mar 20 Wheat closed at $5.62/bushel, up $0.0475 from yesterday's close.  Mar 20 Soybeans closed at $8.8/bushel, up $0.005 from yesterday's close.  Mar 20 Soymeal closed at $287.4/short ton, down $1.1 from yesterday's close.  Mar 20 Soyoil closed at 31.32 cents/lb up 0.59 cents from yesterday's close.  Apr 20 Live Cattle closed at $119.175/cwt down $1.475 from yesterday's close.  Mar 20 Feeder Cattle closed at $135.675/cwt down $1.825 from yesterday's close.  Apr 20 Lean Hogs closed at $61.875/cwt down $0.45 from yesterday's close.  Mar 20 WTI Crude Oil closed at $51/barrel up $1.39 from yesterday's close.   ...