Show simple item record Dasani, Usha P. en_US 2012-05-10T21:14:06Z 2012-05-10T21:14:06Z 1969 en_US
dc.identifier ocm72761347 en_US
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.rights info:eu-repo/semantics/openAccess
dc.title A study of the non-symbiotic nitrogen-fixing organisms in a prairie soil en_US
dc.type info:eu-repo/semantics/masterThesis
dc.type master thesis en_US Microbiology en_US

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