Mexico will continue to rely on corn imports from the United States despite its plan to phase out the use of biotech corn for human consumption, Mexico’s secretary of agriculture and rural development said last week in a visit to Iowa. 

“The policy now is that we are not going to raise transgenic corn in Mexican territory,” said Victor Villalobos. “But we are not going to avoid or we are not going to limit the importation of offered GM (genetically...