Associative nitrogen fixation (ANF) in switchgrass (Panicum virgatum) across a nitrogen input gradient

• Sarah S. Roley ,

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

  * E-mail: sarah.roley@wsu.edu

  Current address: School of the Environment, Washington State University, Richland, Washington, United States of America

  Affiliations WK Kellogg Biological Station, Michigan State University, Hickory Corners, Michigan, United States of America, Great Lakes Bioenergy Research Center, Michigan State University, East Lansing, Michigan, United States of America

  http://orcid.org/0000-0002-6733-9338

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• David S. Duncan,

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

  Affiliations Department of Agronomy, University of Wisconsin-Madison, Madison, Wisconsin, United States of America, Great Lakes Bioenergy Research Center, University of Wisconsin-Madison, Madison, Wisconsin, United States of America

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• Di Liang,

  Roles Investigation, Writing – review & editing

  Affiliations WK Kellogg Biological Station, Michigan State University, Hickory Corners, Michigan, United States of America, Great Lakes Bioenergy Research Center, Michigan State University, East Lansing, Michigan, United States of America, Department of Plant, Soil and Microbial Sciences, Michigan State University, East Lansing, Michigan, United States of America

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• Aaron Garoutte,

  Roles Conceptualization, Writing – review & editing

  Affiliations Great Lakes Bioenergy Research Center, Michigan State University, East Lansing, Michigan, United States of America, Center for Microbial Ecology, Michigan State University, East Lansing, MI, United States of America

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• Randall D. Jackson,

  Roles Conceptualization, Funding acquisition, Writing – review & editing

  Affiliations Department of Agronomy, University of Wisconsin-Madison, Madison, Wisconsin, United States of America, Great Lakes Bioenergy Research Center, University of Wisconsin-Madison, Madison, Wisconsin, United States of America

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• James M. Tiedje,

  Roles Conceptualization, Funding acquisition, Methodology, Writing – review & editing

  Affiliations Great Lakes Bioenergy Research Center, Michigan State University, East Lansing, Michigan, United States of America, Center for Microbial Ecology, Michigan State University, East Lansing, MI, United States of America

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• G. Philip Robertson

  Roles Conceptualization, Funding acquisition, Project administration, Writing – review & editing

  Affiliations WK Kellogg Biological Station, Michigan State University, Hickory Corners, Michigan, United States of America, Great Lakes Bioenergy Research Center, Michigan State University, East Lansing, Michigan, United States of America, Department of Plant, Soil and Microbial Sciences, Michigan State University, East Lansing, Michigan, United States of America

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