National Academy of Agricultural Sciences (NAAS)
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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 |
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.
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