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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
Publisher : Excellent Publishers
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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(2): 1556-1563
DOI: https://doi.org/10.20546/ijcmas.2019.802.182


Effect of Nutrient and Irrigation Levels on Nutrient Uptake, Water and Nutrient Use Efficiency, and Kapas Yield of Cotton in Southern Dry Zone of Karnataka
B.H. Prakash1, S.B. Yogananda1*, B.G. Shekar2, S.S. Prakash1, L. Vijay kumar1 and Mallikarjun2
1College of Agriculture, V. C. Farm, Mandya, Karnataka, India
2Zonal Agricultural Research Station, V. C. Farm, Mandya, Karnataka, India
*Corresponding author
Abstract:

A field experiment entitled “Effect of nutrient and irrigation levels on nutrient uptake, water and nutrient use efficiency, and kapas yield of cotton in Southern Dry Zone of Karnataka” was conducted during kharif 2016 at Zonal Agricultural Research Station, V. C. Farm, Mandya. The experiment was laid out in split plot design with 3 irrigation levels (0.6, 0.8 and 1.0 IW/CPE ratios) as main plots and 3 nutrient levels (75, 100 and 125% RDF-150:75:75 kg NPK/ha) as sub plots, and these treatments were replicated thrice. Irrigation at 0.8 IW/CPE ratio and nutrient level of 100 per cent RDF have significantly recorded higher growth and yield parameters viz., plant height, sympodial branches, LAI, dry matter production, number of bolls plant-1, individual boll weight, harvest index, water and nutrient use efficiency, and lint yield along with the kapas yield (22.94 and 22.49 q ha-1, respectively) as compared to irrigation at 0.6 IW/CPE ratio and nutrient level of 75 per cent RDF, respectively. But, they were at par with irrigation at 1.0 IW/CPE ratio and nutrient level of 125 per cent RDF, respectively and found optimum in enhancing the cotton growth and kapas yield.


Keywords: Cotton, Irrigation, IW/CPE ratio, Kapas, Lint, Nutrient use efficiency, Water use efficiency
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How to cite this article:

Prakash, B.H., S.B. Yogananda, B.G. Shekar, S.S. Prakash, L. Vijay Kumar and Mallikarjun. 2019. Effect of Nutrient and Irrigation Levels on Nutrient Uptake, Water and Nutrient Use Efficiency, and Kapas Yield of Cotton in Southern Dry Zone of Karnataka.Int.J.Curr.Microbiol.App.Sci. 8(2): 1556-1563. doi: https://doi.org/10.20546/ijcmas.2019.802.182