“To the Great Farmers of the United States: Get ready to start making a lot of agricultural product to be sold INSIDE of the United States,” he posted on Truth Social. “Tariffs will go on external product on April 2nd. Have fun!”

Trump has threatened tariffs on a range of products and companies since taking office, including reciprocal tariffs to match those of other nations that could go into effect on April 2.

China has already slapped new tariffs on U.S. farm machinery in retaliation for a blanket 10% tariff Trump imposed there.

For decades, Trump has complained that other countries do not practice fair trade, saying countries like China and members of the European Union do not accept U.S. products, including agricultural products.

“They don’t take our cars, they don’t take our farm products,” Trump said last month about the EU. “They take almost nothing, and we take everything: from the millions of cars, tremendous amounts of food and farm products.”

However, his social media post implies that additional markets will not be opening up any time soon, instead saying they should prepare to sell more of their product domestically.

A big gripe during Trump’s first term was that Canada imposed a 270% tariff on dairy products, which harmed farmers in the United States.

Yet agricultural leaders were not always big fans.

Many complained about the effect of tariffs on China, which is a huge market with a population of over 1.4 billion.

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Now, some of those complaints could be recycled. Sen. Chuck Grassley (R-IA), known for his strong ties to agriculture, has already pleaded for an exemption to Canadian tariffs for potash, a fertilizer in high demand from farmers in his state.

The Washington Examiner has contacted the White House seeking more details about the agriculture tariffs.