U.S. farmers and various trade groups are very apprehensive about not only the potential negative impacts of tariffs on the U.S. ag sector, but what they do to garner new trade agreements.

President Donald Trump's new tariff orders against Canada, Mexico and China all contain clauses suspending a duty-free exemption for low-value shipments below $800 that is widely seen as a loophole that has allowed shipments of fentanyl and its precursor chemicals into the United States.