Diurnal Variations of Nitrogenase Activity in the Field
- 1 January 1974
- journal article
- research article
- Published by American Society for Microbiology in Applied Microbiology
- Vol. 27 (4) , 662-665
- https://doi.org/10.1128/aem.27.4.662-665.1974
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.Keywords
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