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International Journal of Current Microbiology and Applied Sciences (IJCMAS)
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National Academy of Agricultural Sciences (NAAS)
NAAS Score: *5.38 (2019)
[Effective from January 1, 2019]
For more details click here

ICV 2017: 100.00
Index Copernicus ICI Journals Master List 2017 - IJCMAS--ICV 2017: 100.00
For more details click here

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PRINT ISSN : 2319-7692
Online ISSN : 2319-7706
Issues : 12 per year
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Editor-in-chief: Dr.M.Prakash
Index Copernicus ICV 2017: 100.00
NAAS RATING 2018: 5.38

Int.J.Curr.Microbiol.App.Sci.2019.8(11): 1939-1957
DOI: https://doi.org/10.20546/ijcmas.2019.811.228


Effect of Zeolite and Fertilizer Application on Soil Microbial Biomass and Enzyme Activity in Finger Millet
M.N. Shivakumara1*, R. Krishna murthy1, C.T. Subbarayappa1, T.C. Chamegowda1, M.N. Thimmegowda2 and R. Muthuraju3
1Department of Soil Science, Agricultural Chemistry and Agronomist,
2Agronomist,
3Department of Agricultural Microbiology, AICRP on Dryland Agriculture, India
*Corresponding author
Abstract:

A field experiment was conducted at Zonal Agricultural Research Station, GKVK, Bengaluru during kharif-2017-18 to characterize the chemical and physical properties of zeolite and to study its influence on growth and yield of finger millet. Field experiment consists of 20 treatment combinations comprising five levels of zeolite and four levels of graded fertilizers, laid out in RCBD design with factorial concept and replicated thrice on sandy loam soil having slightly acidic soil pH (5.52), electrical conductivity (0.032 dS m-1) and medium organic carbon (0.42%). The dehydrogenase activity recorded higher in the treatment received zeolite 50 kg ha-1 +125 per cent RDF (Z4F4) (150.51 µg TPF g-1) in at ear head stage, whereas in post-harvest soil also, same treatment recorded higher dehydrogenase activity (147.65 µg TPF g-1). Urease activity recorded higher in Z4F4 (104.91 µg NH4-N g-1) during ear head stage and post-harvest soils (108.34 µg NH4-N g-1) also. Acid phosphatase activity was recorded higher in the soil since the pH of soil was acidic and recorded 50.36 µg PNP g-1 h-1 during ear head stage and their activity decreased at harvest stage (46.66 µg PNP g-1 h-1). Microbial biomass carbon (MBC), Microbial biomass nitrogen (MBN) and Microbial biomass phosphorus (MBP) at ear head stage and after harvest of the crop found not significant irrespective of the application of zeolite and fertilizer.


Keywords: Zeolite, Finger millet, Enzymes, Urease, Dehydrogenase
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How to cite this article:

Shivakumara, M.N., R. Krishna Murthy, C.T. Subbarayappa, T.C. Chamegowda, M.N. Thimmegowda and Muthuraju, R. 2019. Effect of Zeolite and Fertilizer Application on Soil Microbial Biomass and Enzyme Activity in Finger Millet.Int.J.Curr.Microbiol.App.Sci. 8(11): 1939-1957. doi: https://doi.org/10.20546/ijcmas.2019.811.228