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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.2018.7(5): 3570-3576
DOI: https://doi.org/10.20546/ijcmas.2018.705.412


Soil Test Based Fertilizer Prescriptions under Integrated Plant Nutrient Supply for Hybrid Rice (cv. US – 382) in Alluvial Soils of Jorhat District of Assam
Namrata Kashyap*, K.N. Das, Bipul Deka and Marami Dutta
Department of Soil Science, Assam Agricultural University, Jorhat, Assam-785 013, India
*Corresponding author
Abstract:

Field experiments were conducted during 2015-16 to gauge the fertilizer requirements for hybrid rice (cv. US-382) under Integrated Plant Nutrient Supply in Alluvial soils of Jorhat district of Assam. Following Ramamoorthy’s Inductive cum targeted yield model, the nutrient requirement per quintal of grain production and contribution from soil, fertilizer and vermicompost (CVC) were evaluated for hybrid rice. The per cent contribution of nutrients from soil (CS), fertilizer (CF) and vermicompost (CVC) were found to be 35.15, 48.65 and 26.50 for N, 47.17, 23.06 and 12.08 for P2O5 and 60.32, 55.68 and 28.69 for K2O respectively. The fertilizer prescription equations were developed and nomograms were formulated based on the equations for a range of soil test values and desired yield target for rice. Under NPK + VC @ 10.0 t ha -1, 30, 11, 28 kg ha-1 of fertilizer N, P2O5 and K2O, respectively could be saved for attaining yield target of 80 q ha-1 for hybrid rice as compared to NPK fertilizers alone.


Keywords: Fertilizer prescription equations, Targeted yield, Basic parameters, Hybrid rice
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How to cite this article:

Namrata Kashyap, K.N. Das, Bipul Deka and Marami Dutta. 2018. Soil Test Based Fertilizer Prescriptions under Integrated Plant Nutrient Supply for Hybrid Rice (cv. US – 382) in Alluvial Soils of Jorhat District of Assam.Int.J.Curr.Microbiol.App.Sci. 7(5): 3570-3576. doi: https://doi.org/10.20546/ijcmas.2018.705.412