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dc.contributor.author Dasani, Usha P. en_US
dc.date.accessioned 2012-05-10T21:14:06Z
dc.date.available 2012-05-10T21:14:06Z
dc.date.issued 1969 en_US
dc.identifier ocm72761347 en_US
dc.identifier.uri http://hdl.handle.net/1993/5600
dc.description.abstract The numerical and ecological distribution of free-living, aerobic, nitrogen-fixing bacteria in virgin and cultivated field soils of the Matador IBP Project Site in Saskatchewan, was determined by the plate-count method and the nitrogen-fixing ability of these bacteria, in mixed, enriched populations was estimated by employing the radio-active 13n2 technique. 'In situ' studies were also carried out on the acetylene reducing capacity (an indirect measure of nitrogen-fixation) of these soils in serum bottles as well as in soil columns under constant perculation. en_US
dc.format.extent 73 leaves : en_US
dc.language en en_US
dc.rights en_US
dc.title A study of the non-symbiotic nitrogen-fixing organisms in a prairie soil en_US
dc.degree.discipline Microbiology en_US


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