AUTHOR=Paul Matthew J. TITLE=Improving Photosynthetic Metabolism for Crop Yields: What Is Going to Work? JOURNAL=Frontiers in Plant Science VOLUME=12 YEAR=2021 URL=https://www.frontiersin.org/journals/plant-science/articles/10.3389/fpls.2021.743862 DOI=10.3389/fpls.2021.743862 ISSN=1664-462X