TSP October 18, 2019Market Watch, Triple Superphosphate, U.S. Gulf, Western Cornbeltmickeybarb@charter.net U.S. Gulf: Sources quoted the TSP market at $265-$270/st FOB,This 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.