Winter cover crops increase readily decomposable soil carbon, but compost drives total soil carbon during eight years of intensive, organic vegetable production in California

• Kathryn E. White ,

  Roles Conceptualization, Data curation, Formal analysis, Investigation, Methodology, Visualization, Writing – original draft, Writing – review & editing

  * E-mail: kate.white@usda.gov

  Affiliation United States Department of Agriculture, Agricultural Research Service, Sustainable Agricultural Systems Laboratory, Beltsville Agricultural Research Center, Beltsville, Maryland, United States of America

  http://orcid.org/0000-0001-7690-8611

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• Eric B. Brennan,

  Roles Conceptualization, Data curation, Formal analysis, Investigation, Methodology, Project administration, Resources, Supervision, Visualization, Writing – review & editing

  Affiliation United States Department of Agriculture, Agricultural Research Service, Salinas, California, United States of America

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• Michel A. Cavigelli,

  Roles Conceptualization, Methodology, Resources, Supervision, Writing – review & editing

  Affiliation United States Department of Agriculture, Agricultural Research Service, Sustainable Agricultural Systems Laboratory, Beltsville Agricultural Research Center, Beltsville, Maryland, United States of America

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• Richard F. Smith

  Roles Conceptualization, Methodology, Writing – review & editing

  Affiliation University of California Cooperative Extension, Salinas, California, United States of America

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