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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 (2020)
[Effective from January 1, 2020]
For more details click here

ICV 2018: 95.39
Index Copernicus ICI Journals Master List 2018 - IJCMAS--ICV 2018: 95.39
For more details click here

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PRINT ISSN : 2319-7692
Online ISSN : 2319-7706
Issues : 12 per year
Publisher : Excellent Publishers
Email : editorijcmas@gmail.com / submit@ijcmas.com
Editor-in-chief: Dr.M.Prakash
Index Copernicus ICV 2018: 95.39
NAAS RATING 2020: 5.38

Int.J.Curr.Microbiol.App.Sci.2018.7(1): 2640-2647
DOI: https://doi.org/10.20546/ijcmas.2018.701.315


Activity of Soil Urease, Phosphatase and Dehydrogenase as Influenced by Various Sources of Zinc in Rice (Oryza sativa L.)
M.R. Apoorva*, P. Chandrasekhar Rao, G. Padmaja and R. Subhash Reddy
Department of Soil science and Agricultural Chemistry, Professor Jayashankar Telangana State Agricultural University, Rajendranagar, Hyderabad-500030, Telangana, India
*Corresponding author
Abstract:

A field experiment was conducted during kharif, 2015 at college farm, college of agriculture, Rajendranagar, Hyderabad to study the influence of various sources of zinc on soil enzyme activity. The experiment was laid out in Randomized Block Design with 12 treatments and 3 replications. The results of the experiments revealed that the highest urease activity at harvest was recorded in the treatment RDF+ Soil application of ZnSO4@25 kg ha-1 (370.3µg NH4 + released g-1 soil 2 hr-1), similarly in the acid and alkaline phosphatase activity highest value was seen in RDF+ Soil application of bio zinc@30 kg ha-1  (106.0, 183.7µg of p-nitrophenol g-1 soil hr-1). The highest dehydrogenase activity was recorded in RDF+ Soil application of bio zinc@30 kgha-1 (84.8 µg TPF produced g soil d-1) which was on par with RDF+ Soil application of ZnSO4@25 kg ha-1 (80.8 µg TPF produced g soil d-1). All the three enzyme activities were increased from the vegetative to panicle emergence stage and later showed decrease at harvest stage.


Keywords: Nano zinc, Bio zinc, Rice, Soil application, Enzymes
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How to cite this article:

Apoorva, M.R., P. Chandrasekhar Rao, G. Padmaja and Subhash Reddy, R. 2018. Activity of Soil Urease, Phosphatase and Dehydrogenase as Influenced by Various Sources of Zinc in Rice (Oryza sativa L.).Int.J.Curr.Microbiol.App.Sci. 7(1): 2640-2647. doi: https://doi.org/10.20546/ijcmas.2018.701.315