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Showing 281 - 300 results of 33,694 for search '"nitrogen"', query time: 0.77s Refine Results
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    by Holm-Hansen, Osmund
    Published in Science (1963)
    ... atmospheric nitrogen. Nostoc commune was the only species capable of growing in nitrogen-free medium; nitrogen...
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  5. 285
    ...S ummary . Potential nitrogen‐fixing marine photosynthetic bacteria isolated from the coastal...
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  6. 286
    ...-derived nitrogen (N) in natural intact turfs using stable isotopic techniques (15N). Both species...
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  7. 287
    Published 2015
    ... document. These values represent the particulate nitrogen (PN) and particulate organic carbon (POC = total...
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  8. 288
    by Raymond Sambrotto
    Published
    ... document. These values represent the particulate nitrogen (PN) and particulate organic carbon (POC = total...
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  9. 289
    by Monteiro, Fanny Meline
    Published 2009
    ... Sciences, 2009. Includes bibliographical references (p. 163-185). Oceanic nitrogen fixation...
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    Thesis
  10. 290
    Subjects: ...Atmospheric nitrogen deposition...
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  11. 291
    ...-derived nitrogen (N) in natural intact turfs using stable isotopic techniques ( 15 N). Both species...
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  12. 292
    by Zehr, Jonathan P., Capone, Douglas G.
    Published in Science (2020)
    ...Changing views and a changing ocean As a component of many biomolecules, nitrogen is a crucial...
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  13. 293
  14. 294
    ...In the Equatorial Atlantic nitrogen availability is assumed to control phytoplankton dynamics...
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  15. 295
    by Rohrs-Richey, Jennifer K.
    Published 2004
    ... (Picea mariana) is the forest type most severely limited by nitrogen mineralization. Nitrogen cycling...
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  16. 296
    ... loess deposits of Alaska and Yukon, collectively eastern Beringia. The stable carbon (δ13C) and nitrogen...
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  19. 299
    by Saiz Val, Ernesto
    Published 2020
    ...Biological nitrogen fixation (BNF) is a microbial process that fixes atmospheric nitrogen (N2) gas...
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