"We get what we got under the TPP and we will not be left behind," said Nick Giordano, vice president and global governance consultant to the National Pork Producers Council.
American pork producers have relied on Japan as their largest market by value. They had already seen a decline in exports this year, but the new deal was supposed to put them back on par.
US wheat producers also injured after Trump left the multinational trade partnership welcomed the new agreement with Japan.
"We are delighted that this agreement will end the growing competitive advantage that Canadian and Australian wheat imports have achieved in the context of the Comprehensive and Progressive Trans-Pacific Partnership," said Doug Goyings, chairman of US Wheat Associates, a Ohio farmer , in a statement.
Trump and Abe intend to sign the agreement in mid-September on the sidelines of the United Nations General Assembly.
Nevertheless, the agreement with Japan will solve only one of three major problems for which Trump's trade policy was created. American Agriculture.
"This year we had almost three five-alarm fires in the pork industry," Giordano said.
But the trade war with China is still causing problems and could worsen on Sunday as Washington and Beijing push through their recent threats. In response to Trump's announcement to raise $ 300 billion in new Chinese goods from September 1
Even more painful for pork producers is the concern that tariffs could cause them to miss a larger part of the growing Chinese market. Demand has accelerated there due to an African swine fever that has eradicated some domestic swine.
Farmers are also annoyed at how the Trump administration has recently granted 31 refineries the waiver of biofuel laws. They argue that the move will further reduce demand for corn and soybeans.
"There is a lot of uncertainty right now, we are the biggest cheerleaders for the US and China smoking the peace pipe," Giordano said.