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Population Dynamics in Microbially Enriched Organic Manures and Their Influence on Microbial Population and Enzymatic Activities in Soil, Growth and Yield of Tomato (Lycopersion esculentum Mill)

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Title Population Dynamics in Microbially Enriched Organic Manures and Their Influence on Microbial Population and Enzymatic Activities in Soil, Growth and Yield of Tomato (Lycopersion esculentum Mill)
 
Creator Nandini Math
 
Contributor M.N. Sreenivasa
 
Subject Agricultural Microbiology
 
Description An experiment was conducted at Main Agricultural Research Station, University of
Agricultural Sciences, Dharwad to study the population dynamics of microbially enriched
organic manures and their influence on microbial population and enzymatic activities of soil,
growth and yield of tomato (Lycopersicon esculentum Mill.) during kharif 2012.
The population of free living nitrogen fixers, phosphate solubilizing bacteria and
Trichoderma sp. increased in all enriched organic manures upto 14th day after inoculation and
later remains constant or decreased. Among the enriched manures vermicompost recorded
highest microbial population and also nutrient content. Later effect of enriched organic
manures on growth and yield of tomato was studied. The rhizosphere microbial population
was significantly highest when enriched manures were applied in combination with RDF to
the soil. The dehydrogenase and phosphatase activities were significantly highest when
enriched manures were applied with RDF at all the stages of crop growth. The plant growth
parameters like plant growth, root length and dry matter production recorded were
significantly highest at all the stages of crop growth when the combined application of
enriched manures with RDF. The N, P and K concentration of plants were also significantly
highest in the same treatment. The yield of tomato was significantly highest with the
combined application of enriched manures with RDF as compared to unenriched manurial
combination. Among all the treatments, the combined application of enriched manures with
RDF resulted in significantly highest lycopene content.
This study clearly brought out maximum population of inoculated organisms can be
achieved on 14th day in all organic manures tried with an increase in the nutrient
concentration of enriched organic manures.
 
Date 2016-11-22T19:17:20Z
2016-11-22T19:17:20Z
2013
 
Type Thesis
 
Identifier http://krishikosh.egranth.ac.in/handle/1/87136
 
Format application/pdf
 
Publisher UAS, Dharwad