A revamped bilateral trade agreement signed last week by the United States and South Korea preserves access for American ag exports to a large and growing Asian market and can work as a stepping stone for other bilateral trade deals, farm leaders and farm-state lawmakers said.

“The updated agreement makes some needed changes, particularly for automobiles, but it maintains

our good market access gains that we had in the original agreement,” said Iowa Sen. Charles Grassley. “I think Iowa beef and pork will benefit from this.”

The news of the updated South Korea agreement was followed last ...