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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 2019: 96.39
Index Copernicus ICI Journals Master List 2019 - IJCMAS--ICV 2019: 96.39
For more details click here

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PRINT ISSN : 2319-7692
Online ISSN : 2319-7706
Issues : 12 per year
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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(7): 717-724
DOI: https://doi.org/10.20546/ijcmas.2017.607.089


Methods of Irrigation, Fertilizer Approaches and Soil Ameliorant Use in Rabi Sweet Corn (Zea mays saccharata L.) in Lateritic Soils of Konkan
Ashitosh S. Latkar*, U.V. Mahadkar and J.S. Dhekale
Department of Agronomy, Dr. B.S. Konkan Krishi Vidyapeeth, Dapoli 415 612 (MS)
*Corresponding author
Abstract:

Two years field experiment was conducted during consecutive years of rabi 2012-13 to 2013-14 at Department of Agronomy, Dr. BSKKV, Dapoli on lateritic soils of Konkan, to determine suitability of irrigation method, fertilizer approaches and levels of soil ameliorant to sweet corn. Sweet corn grown under drip irrigation noticed significantly higher green cob, fodder and total biomass (1.67, 1.73 and 3.40 t/ha, respectively) with increment of 10.78, 4.05 and 7.35 %, respectively over check basin method of irrigation. Application of soil test based fertilizer requirement of N,P,K and micronutrients (Cu, Zn, B and Mn) had significantly highest green cob yield (2.05 t/ha) and increment was 71.66, 13.27 and 5.97% over control, recommended dose of fertilizer and soil test based fertilizer requirement of NPK, respectively. However, corn ameliorated with 50% lime requirement recorded the highest green cob and fodder yield (1.67 and 1.74 t/ha, respectively) with increment in the magnitude of 10.40% and 6.03%, respectively over lime control and 25% lime requirement. Economics of treatments revealed that, drip irrigated sweet corn has more net monetary returns (`151.17x103/ha) with benefit: cost ratio of 2.16:1. Sweet corn grown with application of soil test based fertilizer requirement of N,P,K and micronutrients (Cu, Zn, B and Mn) noticed profitable yield potential with high net returns of ` 257.14 x103/ha and 2.31:1 benefit: cost ratio. However, corn ameliorated with 50% lime requirement recorded highest net returns ` 210.84x103/ha, but profitability was highest with application of 25% lime requirement with B:C ratio of 2.20:1.


Keywords: Irrigation, NPK, Micronutrients, Profitability, Soil ameliorant and soil test based approach.
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How to cite this article:

Ashitosh S. Latkar, U.V. Mahadkar and Dhekale, J.S. 2017. Methods of Irrigation, Fertilizer Approaches and Soil Ameliorant Use in Rabi Sweet Corn (Zea mays saccharata L.) in Lateritic Soils of Konkan.Int.J.Curr.Microbiol.App.Sci. 6(7): 717-724. doi: https://doi.org/10.20546/ijcmas.2017.607.089