Saskatchewan agriculture experts say Trump’s potential tariffs on potash will be mutually harmful  CTV NewsTrump’s threats to tariff Canadian fertilizer imports could hurt Sask. potash industry  CBCCanadian fertilizer giants in crosshairs of Trump administration’s price-fixing probe  The Globe and MailTrump threatens ‘severe tariffs’ on Canadian fertilizer in attempt to aid U.S. farmers  CTV News‘Don’t take him literally,’ Moe says on Trump fertilizer tariff threats  Global News