The U.S. government said Monday it is placing a 17% duty on most fresh Mexican tomatoes, after negotiations over alleged unfair trade practices ended without an agreement to avert the tariff.

Proponents said the import tax will help rebuild the shrinking U.S. tomato industry and ensure that produce eaten in the U.S. is also grown there.

Tariff revenues have brought in more that $113 billion so far this year, according to the Treasury Department data. The U.S. received more than $27 billion in customs duties in June alone.

Trump has announced reciprocal tariffs on dozens of American trading partners, as well as new tariffs on copper and pharmaceuticals.

President Trump says he will hit the European Union and Mexico with a 30% tariff. NBC News’ Christine Romans breaks down the latest reporting. Managing Partner & Director of Economic Policy Research at Veda Partners Henrietta Treyz and former Rep.