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International Journal of Current Microbiology and Applied Sciences (IJCMAS)
IJCMAS is now DOI (CrossRef) registered Research Journal. The DOIs are assigned to all published IJCMAS Articles.
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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.2017.6(11): 1282-1289
DOI: https://doi.org/10.20546/ijcmas.2017.611.153


Study of Nitrogen Release Pattern in Different Oil Coated Urea Fertilizers in Light Textured Soils
S.M. Shilpha1*, T.M. Soumya1, L.S. Pradeep1 and L. Rajashekhar2
1Department of Agronomy
2Department of Soil Science, College of Agriculture, University of Agricultural and Horticultural Sciences, Navile, Shivamogga, Karnataka, India
*Corresponding author
Abstract:

The incubation study was conducted during the Kharif 2015 at Agronomy field laboratory, College of Agriculture, University of Agricultural and Horticultural Sciences, Navile, Shivamogga to study the release pattern of nitrogen from different natural oil coated urea fertilizers in soil. The incubation study was conducted by using light textured sandy loam soil by adopting Complete Randomised Design. The treatments consisted three different coated urea products viz., neem coated urea, pongamia oil coated urea and castor oil coated urea were applied each bags and replicated 7 times. Treatments which received Nitrogen through neem coated urea was recorded significantly higher availability of nitrogen (412.48 Kg ha-1 at 0-20 cm and 277.03 Kg ha-1 at 20-40 cm) at 45 and 60 DAI (Days after incubation) due to slow solubility and slow release of nitrogen in urea fertilizers resulted in slow release pattern. There after availability of nitrogen becomes steady.


Keywords: Maize, Nitrogen, Neem coated urea, Pongamia oil coated urea, Castor oil coated urea, Release pattern, Incubation.
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How to cite this article:

Shilpha, S.M., T.M. Soumya, L.S. Pradeep and Rajashekhar, L. 2017. Study of Nitrogen Release Pattern in Different Oil Coated Urea Fertilizers in Light Textured Soils.Int.J.Curr.Microbiol.App.Sci. 6(11): 1282-1289. doi: https://doi.org/10.20546/ijcmas.2017.611.153