Browsing Faculty of Agriculture & Veterinary Medicine (FAg / FVM) by Author "S.O, Keya"

Now showing items 1-3 of 3

    • Control of Fusarium Yellows of Beans Using Bacterial Antagonists 

      E.W, Mutitu; D.M, Mukunya; S.O, Keya (Department of Crop Science, University of Nairobi, 1991)
      Fusarium yellows of beans caused by Fusarium oxyspolurn Schl. sp. phaseoli Kendrick & Snyder was suppressed significantly by bacterial antagonists, Bacillus sp. that had been introduced into infested soil in a greenhouse. ...

    • Effect of nitrogen fertilizer on yield of beans inoculated with Rhizobium phiseoli 

      H, Ssali; S.O, Keya (Department of Soil Science, University of Nairobi, 1982)
      There have been reports of legumes responding to application of nitrogen fertilizers and there are suggestions that even where legume seeds are inoculated with effective strains of Rhizobium phaseoli, a nitrogen starter ...

    • Protozoa and the decline of Rhizobiurn populations added to soil 

      S.K.A, Danso; S.O, Keya; M, Alexander (Laboratory of Soil Microbiology, Department of Agronomy, Cornell University Ithaca, New YorkDepartment of Soil Science. University of Nairobi, 1975)
      A fall in Rhizobium abundance occurred in nonsterile soil inoculated with large numbers of the root-nodule bacteria but many of the rhizobia still survirved. No such decline was evident in sterile soil. Protozoa feeding ...