Farmers are growing anxious due to the lack of progress seen in trade disputes while crop and livestock prices continue to suffer, Farm Bureau members from Iowa told lawmakers and Trump administration officials last week in Washington, D.C.

The Iowa farmers said they understand the need for trade reforms, but they can’t bear a long-term burden from retaliatory tariffs applied against agricultural products. Soybean prices have plunged almost 20 percent in the past two months after the U.S. began volleying tariff threats against China. Farm prices have also been impacted by steel and aluminum tariffs applied globally, as well as efforts to renegotiate the North American Free Trade Agreement with Canada and Mexico.

“We’re on President...