About the Authors

Lucas C. R. Silva

Affiliation Biogeochemistry and Nutrient Cycling Laboratory, Department of Land, Air and Water Resources (LAWR), University of California Davis, Davis, California, United States of America

William R. Horwath

wrhorwath@ucdavis.edu

Affiliation Biogeochemistry and Nutrient Cycling Laboratory, Department of Land, Air and Water Resources (LAWR), University of California Davis, Davis, California, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: LS. Performed the experiments: LS WH. Analyzed the data: LS WH. Contributed reagents/materials/analysis tools: WH. Wrote the paper: LS WH.