Nitrogen Fixation by Vigna radiata L. Wilczek in Pure and Mixed Stands in SE-Kenya

dc.contributor.authorGitonga, Nkanata Mburugu
dc.contributor.authorShisanya, C.A.
dc.contributor.authorHornetz, B.
dc.contributor.authorMaingi, J.M.
dc.date.accessioned2012-11-01T12:58:37Z
dc.date.available2012-11-01T12:58:37Z
dc.date.issued1999
dc.description.abstractGreenhouse and field experiments were carried out to determine the number of rhizobia in soils of SE-Kenya, nodulation and nitrogen fixation by green grams in two cropping systems was also determined. The Most Probable Number (MPN) of rhizobia cells capable of nodulating green grams were between 519 and 3,780 per gram of soil in SE-Kenya. These results were confirmed by lack of response to inoculation and effective nodulation of the control plants under field conditions. Green grams intercropped with maize had significantly higher dry weights than the ones grown as pure stand, 21 days after emergence (DAE). The increase was transitory because it was not observed at podding (42 DAE) and at physiological maturity (100 DAE). Green gram yield was not affected by maize intercrop. However, maize yields were significantly reduced by intercropping with green grams. Soil analysis from treatment plots before and after the cropping season indicated that green grams increased soil nitrogen slightly or maintained it at preplanting levels. This was unlike pure maize plots where there was a decline in soil nitrogen (N).en_US
dc.identifier.citationSymbiosis [Symbiosis]. Vol. 27, no. 3-4, pp. 239-250. 1999en_US
dc.identifier.urihttp://ir-library.ku.ac.ke/handle/123456789/5922
dc.language.isoenen_US
dc.publisherCSA Illuminaen_US
dc.subjectcropsen_US
dc.subjectfield trialsen_US
dc.subjectgreenhousesen_US
dc.subjectnitrogen fixationen_US
dc.subjectsoilen_US
dc.titleNitrogen Fixation by Vigna radiata L. Wilczek in Pure and Mixed Stands in SE-Kenyaen_US
dc.typeArticleen_US
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