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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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Original Research Articles

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.2020.9(6): 1597-1604
DOI: https://doi.org/10.20546/ijcmas.2020.906.197


Response of Nitrogen Levels on Productivity and Profitability of Rice Cultivars in Shallow Lowlands of Assam
Teekam Singh1* and K. B. Pun2
1Division of Agronomy,
2Division of Plant Pathology, ICAR-Indian Agricultural Research Institute, New Delhi 110012, India (Regional Rainfed Lowland Rice Research Station, Gerua, Kamrup-780012, Assam, India (ICAR-National Rice Research Institute))
*Corresponding author
Abstract:

A field experiment was carried out during kharif season of 2016 at the research farm of Regional Rainfed Lowland Rice Research Station, ICAR-National Rice Research Institute, Assam to assess the response of nitrogen levels through neem coated urea in rice cultivars under shallow lowland ecosystem of Assam .The experiment was laid out in split plot design with four high yielding rice cultivars (‘Naveen’, ‘TTB 404’, ‘CR Dhan 100’, and ‘CR Dhan 310’) in main plots and five levels of nitrogen (0, 30, 45, 60 and 75 kg/ha N) through neem coated ureain subplots, replicated thrice. Cultivars of rice responded differently to nitrogen levels. ‘Naveen’ was found most productive and profitable followed by ‘TTB 404’ and ‘CR Dhan 100’. The lowest optimum economic doses of N were 71.1, 89.7, 133.7 and 186.1 kg/ha N for ‘Naveen’, ‘TTB 404’, ‘CR Dhan 100’, and ‘CR Dhan 310’, respectively. Among the nitrogen levels, 60 kg/ha N was found sufficient to achieve comparable productivity and profitability of rice cultivars under shallow lowland conditions.


Keywords: Neem coated urea, nitrogen response, productivity, profitability and rice cultivars
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How to cite this article:

Teekam Singh and Pun. K. B. 2020. Response of Nitrogen Levels on Productivity and Profitability of Rice Cultivars in Shallow Lowlands of Assam.Int.J.Curr.Microbiol.App.Sci. 9(6): 1597-1604. doi: https://doi.org/10.20546/ijcmas.2020.906.197