THE OPEN March beans:  3 3/4 lower March meal:  2.30 lower March soyoil: 25 higher March corn:  steady March wheat:  4 1/4 higher The markets opened in line with trade expectations.  Traders returned to buying corn vs. wheat, and soyoil vs. meal.  Export sales were low end for meal, while fundamentals for soyoil remain friendly.  Export sales for corn was a marketing year high but was expected after recent export inspections.  Beans were lower but congested in a tight range.  There is the perception that China continues to talk with the US about a signing date and the Phase One deal, which adds support.   China also lowered tariffs on beans and chicken parts, and last night energi...