THE OPEN March beans:  1/2 lower March meal:  .40 lower March soyoil:  4 higher March corn:  1/2 lower March wheat:  2 1/2 higher Prices opened lower and met with a good rebound as shorts covered in positions, bargain hunters bought into the lower trade, keeping prices above board.   The steep drop in prices followed by the good rebound helps to solidify trading ranges.   Inverses remained sold, indicating that the break to current lows was probably overdone to the downside.  Demand continues strong, particularly with the break to the downside now appearing to have come to an end.    Beans gained on corn today with the bean/crop ratio at 2:59:1.   At 10:00 export i...