Potash April 9, 2012China, Eastern Cornbelt, Market Watch, Potash Muriate, Southern Plains, U.S. Gulf, Western Cornbeltwebster@kennedyinfo.com U.S. Gulf: Barges were a tad weaker last week atThis 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.