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. 1974 Apr;27(4):662–665. doi: 10.1128/am.27.4.662-665.1974

Diurnal Variations of Nitrogenase Activity in the Field

J P Balandreau 1,2, C R Millier 1,2, Y R Dommergues 1,2
PMCID: PMC380113  PMID: 4825976

Abstract

Nitrogenase activity was determined in situ by repeated assays at regular intervals to compare the patterns of diurnal variations occurring in a rice field, a grassland, and a peanut field. In the rice field only one peak occurred (mid-day), whereas the other systems exhibited typical two-peak patterns, which were suspected to be induced by climatic conditions or possibly by a specific rhythm of exudation. Observed data on diurnal variations in nitrogenase activity were fitted to different models of diurnal variation comprised of computed periodic curves.

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Selected References

These references are in PubMed. This may not be the complete list of references from this article.

  1. Hardy R. W., Holsten R. D., Jackson E. K., Burns R. C. The acetylene-ethylene assay for n(2) fixation: laboratory and field evaluation. Plant Physiol. 1968 Aug;43(8):1185–1207. doi: 10.1104/pp.43.8.1185. [DOI] [PMC free article] [PubMed] [Google Scholar]

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