Intercropping with legumes in the Congo Basin increases maize yields but not greenhouse gas emissions. - Kwatcho Kengdo, Steve; Djatsa, Liliane Diane; Njine-Bememba, Charles Baudouin; Tejedor, Javier; Butterbach-Bahl, Klaus; Rufino, Mariana C.; Sonwa, Denis Jean; Verchot, Louis V.; Dannenmann, Michael (npj Sustainable Agriculture, 2026)