AUTHOR=Rao Idupulapati Madhusudana , Delhaize Emmanuel , Chen Zhi Chang TITLE=Editorial: Root Adaptations to Multiple Stress Factors JOURNAL=Frontiers in Plant Science VOLUME=11 YEAR=2021 URL=https://www.frontiersin.org/journals/plant-science/articles/10.3389/fpls.2020.626960 DOI=10.3389/fpls.2020.626960 ISSN=1664-462X