Rail backlogs are disrupting export trade between the United States and Mexico and snarling agricultural supply chains as the fall harvest is under way, Reuters reported, citing agriculture groups on Friday. potential East and Gulf Coast port strike that could begin on Tuesday would exacerbate the problems, nearly 200 agriculture groups said in a letter sent to the White House on Friday.

While Mexico is the top US corn export market, it’s also been a key outlet this year for agricultural exporters looking to compensate for sluggish buying from China, a top commodity buyer. Read more