The Trump administration’s focus on bilateral trade agreements instead of multinational deals, appears to be beginning to pay dividends for U.S. agriculture.

Last week, the United States and the Philippines announced agreements to reduce the barriers that U.S. exports of pork and other farm products face when they enter the Pacific Rim nation. The agreement, Trump administration officials indicated, could also usher in a bilateral free trade agreement between the two countries.

Philippines is not yet a major market for U.S. farmers. In 2017, it was only the 31st largest destination for American ag exports, buying mostly soybean meal and wheat.

But the agreement with...