Editing Nitrogen fixation (section)

== External links ==
* {{cite web|url=http://www.mcdb.ucla.edu/Research/Hirsch/imagesb/HistoryDiscoveryN2fixingOrganisms.pdf|title=A Brief History of the Discovery of Nitrogen-fixing Organisms | vauthors = Hirsch AM |date=2009|publisher=[[University of California, Los Angeles]]}}
* {{cite web|url=http://dornsife.usc.edu/labs/capone|title=Marine Nitrogen Fixation laboratory|publisher=[[University of Southern California]]}}
* {{Cite web|url=https://digital.sciencehistory.org/collections/gm80hv42t|title=Travis P. Hignett Collection of Fixed Nitrogen Research Laboratory Photographs // Science History Institute Digital Collections|website=digital.sciencehistory.org|access-date=2019-08-16}} [[Science History Institute]] Digital Collections (Photographs depicting numerous stages of the nitrogen fixation process and the various equipment and apparatus used in the production of atmospheric nitrogen, including generators, compressors, filters, thermostats, and vacuum and blast furnaces).
* "[https://books.google.com/books?id=p4o9AQAAIAAJ Proposed Process for the Fixation of Atmospheric Nitrogen]", historical perspective, [[Scientific American]], 13 July 1878, p.&nbsp;21
* [https://naturemicrobiologycommunity.nature.com/posts/a-global-ocean-snapshot-of-nitrogen-fixers-by-matching-sequences-to-cells-in-the-tara-ocean A global ocean snapshot of nitrogen fixers by matching sequences to cells in the Tara Ocean]

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[[Category:Nitrogen cycle]]
[[Category:Metabolism]]
[[Category:Plant physiology]]
[[Category:Soil biology]]