Potash August 12, 2013Eastern Canada, Eastern Cornbelt, Market Watch, Northeast, Northern Plains, Potash Muriate, U.S. Gulf, Western Cornbeltmickeybarb@charter.net U.S. Gulf: Granular potash barge prices continued to fall lastThis content is restricted to site members. If you are an existing user, please log in. If you would like to Subscribe please go to the 'Subscribe' area from the main menu.