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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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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(7): 2090-2098
DOI: https://doi.org/10.20546/ijcmas.2018.707.246


Effect of Varying Levels of Nitrogen and Planting Geometry on High Yielding Boro Rice in New Alluvial Zone of West Bengal
Kipgen1, Priyanka Irungbam2*, S. Pal1, Meghna Gogoi2 and Yumnam Sanatombi2
1Department of Agronomy, Faculty of Agriculture, Bidhan Chandra Krishi Viswavidyalaya, Mohanpur, West Bengal, 741252, India
2Department of Agronomy, College of Agriculture, Central Agricultural University, Iroishemba, 795004, India
*Corresponding author
Abstract:

A field experiment was conducted at Regional Research Sub Station (RRSS), New Alluvial Zone, Chakdah, Nadia, West Bengal during boro season (2013-2014) to study the effect of varying levels of nitrogen and planting geometry on high yielding boro rice. The experiment was laid out in factorial randomized block design (FRBD) replicated thrice. The treatments comprised of 4 nitrogen levels (0, 100, 120 and 140 kg N ha-1) and three planting geometry (15 cm x 15 cm, 20 cm x 15 cm and 20 cm x 20 cm). The treatment receiving 140 N kg ha-1 gave the highest growth attributes such as plant height (101.81cm), number of tiller m-2 (444.08) and dry matter accumulation (DMA) (815.58 g m-2) which was statistically at par with 120 N kg ha-1. Maximum plant height (100.03 cm) was obtained at 20 cm x 20 cm. However, maximum number of tillers hill-1 (473.62) and DMA (847.33 g m-2) were observed at 15 cm x 15 cm. Yield attributes like number of panicles m-2 (304.00), number of filled grains panicle-1 (124.52) and panicle length (24.53 cm) were found maximum with nitrogen level of 120 kg ha-1. Grain yield increased gradually with increasing level of nitrogen up to 120 kg N ha-1 (4.54 t ha-1) and the plant spacing of 20 cm x 15 cm gave the highest grain yield (4.16 t ha-1).


Keywords: Boro rice, New alluvial zone, Nitrogen level, Planting geometry, Shatabdi (IET 4786).
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How to cite this article:

Kipgen, N., Priyanka Irungbam, S. Pal, Meghna Gogoi and Yumnam Sanatombi. 2018. Effect of Varying Levels of Nitrogen and Planting Geometry on High Yielding Boro Rice in New Alluvial Zone of West Bengal.Int.J.Curr.Microbiol.App.Sci. 7(7): 2090-2098. doi: https://doi.org/10.20546/ijcmas.2018.707.246