THE OPEN March beans:  17 lower March meal:  8.10 lower March soyoil:  48 lower March corn:  14 lower March wheat:  12 1/2 lower The markets opened lower as called but prices continued to sell-off dramatically upon digesting the USDA numbers.  Fund positioning and liquidation of March contracts resulted in negative trade across the board.  As a result of fund liquidation, would call this a day of exchange of ownership as sales take prices into commercial pricing activity.  Not helping corn's cause was the cancellation of business announced this AM.   In politics, Argentina's CRA rural group said their members would protest if the Argentine gov. attempted to increase export taxes in or...