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Journal of Environmental Biology

pISSN: 0254-8704 ; eISSN: 2394-0379 ; CODEN: JEBIDP

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        Abstract - Issue Jul 2007, 28 (3)                                                                                                             Back


Influence of agro-waste amendment on soil microbial population in relation to plant growth response


N.S. Kulkarni*1, J.V. Jaiswal1 and M.G. Bodhankar2


1Department of Microbiology, Rajasthan Aryan College, Washim-444 505, India

2Department of Microbiology, Bharati Vidyapeeth’s M.B.S.K. Kanya Mahavidyalaya, Kadegaon, Sangali-416 416, India

(Received: July 13, 2005 ; Revised received: November 01, 2005 ; Accepted: January 03, 2006)

Abstract: Introductions of high yielding inorganic fertilizer are not cheap and leave behind a large amount of dry matter for disposal.  Thus there is a need to utilize these plant residues to save fertilizers and maintain a satisfactory level of soil fertility. Hence, with the view of in-situ manuring as well as to recycle the agricultural residue, pot experiments were conducted to study the effect of wheat husk amendments on soil microbial population and seedling vigour index (SVI) of wheat. Results of pot experiment showed the improvement in soil fungal population followed by bacterial and actinomycetal counts. Statistical significant increase in plant growth was also recorded as compared to unamended control, which indicates the practical possibility in utilizing wheat husk for improvement is soil fertility.

Key words:    Wheat husk amendment, Soil microbial population

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