Research article

Seasonal changes in microbial community structure and nutrients content in rhizospheric soil of Aegle marmelos tree

Prateek Shilpkar , Mayur C. Shah, Kinjal R. Modi, Shital M. Patel

Prateek Shilpkar
Biogas Research and Extension Centre, Gujarat Vidyapith, Sadra - 382 320, District - Gandhinagar, Gujarat, India. Email: pshilpkar@yahoo.com
Mayur C. Shah
Department of Chemistry, Gujarat Vidyapith, Sadra - 382 320, District - Gandhinagar, Gujarat, India
Kinjal R. Modi
Department of Microbiology, Gujarat Vidyapith, Sadra - 382 320, District - Gandhinagar, Gujarat, India
Shital M. Patel
Department of Microbiology, Gujarat Vidyapith, Sadra - 382 320, District - Gandhinagar, Gujarat, India

Online First: December 30, 2010
Shilpkar, P., Shah, M., Modi, K., Patel, S. 2010. Seasonal changes in microbial community structure and nutrients content in rhizospheric soil of Aegle marmelos tree. Annals of Forest Research 53(2): 135-140.


A preliminary investigation was carried out on dominance of different types of microbial communities at different monsoon seasons in rhizospheric soils of Aegle marmelos tree. Nutrients content of soil were also determined simultaneously to correlate with the microbial population. Results show that the rhizosphere of Aegle marmelos contains gram-negative bacteria, Rhizobium, Azotobacter, Actinomycetes and Yeast and major plant nutrients and their count as well as dominance changes with moisture content in rhizosphere. Except actinomycetes all the microorganisms were found highest during monsoon season whereas in post-monsoon season Actinomycetes were dominant. Amount of water in rhizosphere soil also affects soil chemical properties. Soil pH, organic carbon, C:N ratio, available nitrogen and available phosphorus were recorded maximum in monsoon whereas electrical conductivity and total nitrogen content were found maximum in post-monsoon.

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  • Prateek Shilpkar
  • Mayur C. Shah
  • Kinjal R. Modi
  • Shital M. Patel
  • Prateek Shilpkar
  • Mayur C. Shah
  • Kinjal R. Modi
  • Shital M. Patel