Argentina and Brazil, the two main competitors to the U.S. in the soybean sector, have seen their currencies fall in value to the U.S. dollar. If that trend continues, both countries could decide not to scale back 2015 plantings, further impacting prices as well as U.S. farmers. Sharp Decline in U.S. Soybean and Soymeal Export Sales Last week saw the continuation of the expected seasonal decline in U.S. soybean and soymeal export sales. Net soybean export sales for shipment in 2014/15 totaled only 167,900 MT, 70 percent below the past four-week average. Sales primarily to China (156,800 MT), the Netherlands (105,100 MT), Bangladesh (54,300 MT), Mexico (53,000 MT), South Korea (25,400 MT) and Vietnam (9,200 MT) were partially offset by dec...