Indian Journal of Science and Technology
DOI: 10.17485/ijst/2009/v2i12.11
Year: 2009, Volume: 2, Issue: 12, Pages: 44-45
Original Article
Prateek Shilpkar1 , Kinjal R. Modi1 , Mayur C. Shah2 and Deepti Shilpkar3
1Biogas Res. & Extension Centre;
2Dept. of Chemistry, Gujarat Vidyapith, Sadra, Gandhinagar Dt., Gujarat-382 320.
3Department of Botany, Jai Narayan Vyas University, Jodhpur, Rajasthan, India
*Author for the correspondence:
Deepti Shilpkar
Department of Botany, Jai Narayan Vyas University, Jodhpur, Rajasthan, India
E-mail: [email protected]
A preliminary investigation was carried out on dominance of different types of microbial communities at different monsoon seasons in rhizospheric soils of Polyalthia longifolia trees. Nutrient contents of soil were also determined simultaneously to correlate with the microbial population. Results show that the dominance of microbial communities (actinomycetes, nitrogen fixers and yeasts) and soil nutrients content varied among premonsoon, monsoon and monsoon seasons. Actinomycetes were dominant during premonsoon season when lowest available nitrogen content was recorded in the rhizosphere milieu. Monsoon season favoured for the growth of diazotrophs in rhizosphere soil resulted in highest content of available soil nitrogen. This study may help in agricultural practices to manage the nitrogen fertilizers according to the season and also indicated the potential role of biofertilizers.
Keywords: Rhizospheric soil, microbial communities, nutrients content, Polyalthia longifolia
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