Browsing Journal Articles by Author "M, Alexander"

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    • Factors Affecting Growth of Bdellovibrio on Rhizobium 

      S. O, Keya; M, Alexander (Laboratory of Soil Microbiology, Department of Agronomy, Cornell University Ithaca, New York, 1975)
      The extent ofdecline in the population density of Rhizobium sp. exposed to Bdellovibno was markedly reduced in the presence of montmorillonite, kaolinite or vermiculite but not by a soil clay fraction. Increasing levels ...

    • 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 ...