FILE – In this Sept. 16, 2011, file photo, a mushroom grows at Winslow Park in Freeport, Maine. Maine. AP Photo/Robert F. Bukaty, FileThe United States has put countervailing duties on fresh mushrooms grown in Canada following a U.S. Department of Commerce investigation which the Canadian industry has called “deeply flawed.”The change, posted in the federal register on Monday, will slap most fresh mushrooms with tariffs of 2.84 percent.
