Using Maize δ¹⁵N values to assess soil fertility in fifteenth- and sixteenth-century ad Iroquoian agricultural fields

• John P. Hart ,

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

  * E-mail: john.hart@nysed.gov

  Affiliation Research and Collections Division, New York State Museum, Albany, New York, United States of America

  http://orcid.org/0000-0003-2009-0624

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• Robert S. Feranec

  Roles Conceptualization, Formal analysis, Investigation, Methodology, Validation, Writing – original draft, Writing – review & editing

  Affiliation Research and Collections Division, New York State Museum, Albany, New York, United States of America

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