THE OPEN March beans: 1 lower March meal:  .40 higher March soyoil:  11 lower March corn:  1 3/4 lower March wheat:  1/2 higher Prices opened as expected with traders back to buying beans and selling corn.   Short-covering in soyoil stabilized bean trade, which saw strength from the start of the trading session.  One corn specific headline involved China suspending its national ethanol mandate, which suggests they may not import ethanol to blend in the new trade deal.  Beans continue to see support from the signing of the deal on Jan 15, an expected bullish USDA report, and future possible Chinese purchases.  Funds are an estimated net short 8K contracts of beans, 20K meal, and 90K corn, wh...