Barley acres have taken a significant brunt of the corn and oilseed acreage expansion in the U.S. and Canada, and there are a number of reasons why.The U.S. northern Plains have become solidly part of the Corn Belt. Corn and soybean acres continue to squeeze out those of the traditional crops of spring wheat, barley, sunflowers, etc. A similar situation has transpired across western Canada, although not as extensively. That is a climate issue. Canola and soybean acres continue to rise, but corn expansion has been at a slower pace.Barley acres have taken a significant brunt of the higher corn and oilseed acreage. The acreage in the U.S. will be the smallest since USDA started keeping records in 1926 and probably lower than the March planting...