African Journal of
Microbiology Research

  • Abbreviation: Afr. J. Microbiol. Res.
  • Language: English
  • ISSN: 1996-0808
  • DOI: 10.5897/AJMR
  • Start Year: 2007
  • Published Articles: 5211

Full Length Research Paper

Rhizobia – As ameliorant to soil reaction

Y. P. Dubey
  Department of Organic Agriculture, CSK HPKV Palampur H.P. India/Department of Statistics and Mathematics,   CSK HPKV Palampur H.P. India
Email: [email protected]

  •  Accepted: 15 May 2011
  •  Published: 30 October 2011



Soil reaction (pH) is important property soil for crop productions. Many chemicals as ameliorates are required to make soil productive. In organic agriculture, bio-ameliorates are prerequisite. Rhizobia are acid producers and Bradyrhizobia are alkali producers. Rhizobia and Bradyrhizobia are used as ameliorate to study their impact on soil reaction (pH) in laboratory conditions for 21 days. It was observed that Rhizobia decreased soil pH and Bradyrhizobia increased soil pH during incubation.


Key words: Acid producers, alkali producers, brardyrhizobia, soil pH, rhizobia.