About the Authors
- Adam S. Davis
- United States Department of Agriculture/Agricultural Research Service, Global Change and Photosynthesis Research Unit, Urbana, Illinois, United States of America
- Jason D. Hill
- Department of Bioproducts and Biosystems Engineering, University of Minnesota, St. Paul, Minnesota, United States of America
- Craig A. Chase
- Leopold Center for Sustainable Agriculture, Iowa State University, Ames, Iowa, United States of America
- Ann M. Johanns
- Department of Economics, Iowa State University Extension and Outreach, Osage, Iowa, United States of America
- Matt Liebman
- Department of Agronomy, Iowa State University, Ames, Iowa, United States of America
The authors have declared that no competing interests exist.
Conceived and designed the experiments: ASD ML. Performed the experiments: CAC AMJ ML. Analyzed the data: ASD JDH CAC AMJ ML. Contributed reagents/materials/analysis tools: ML. Wrote the paper: ASD JDH ML.