WEST LAFAYETTE, Ind. – Nearly half of American farms grow genetically modified crops such as Bt corn or glyphosate-resistant (Roundup-ready) soybeans. Peter Goldsbrough, a plant scientist and expert ...

Glyphosate has been particularly effective in combination with Monsanto’s “Roundup Ready”–branded sugar beets, alfalfa, cotton, soy, and other crops, which have been engineered to ...