AUTHOR=Irisarri Pilar , Imperial Juan , Lattanzi Fernando A. , Monza Jorge , Palacios Jose , Sanjuan Juan , Grossman Julie TITLE=Editorial: Maximizing Nitrogen Fixation in Legumes as a Tool for Sustainable Agriculture Intensification JOURNAL=Frontiers in Agronomy VOLUME=3 YEAR=2021 URL=https://www.frontiersin.org/journals/agronomy/articles/10.3389/fagro.2021.796717 DOI=10.3389/fagro.2021.796717 ISSN=2673-3218