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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(4): 1344-1350
DOI: https://doi.org/10.20546/ijcmas.2018.704.150


Weed Management in Maize System in New Alluvial Zone of West Bengal
Sonali Biswas1*, Srabani Debnath2, Abhijit Saha3 and Benukar Biswas4
1Department of Agronomy, AICRP on Maize, Directorate of Research, Bidhan Chandra Krishi Viswavidyalaya, Kalyani, Nadia-741235, West Bengal, India
2Department of Pathology, AICRP on Maize, Directorate of Research, Bidhan Chandra Krishi Viswa vidyalaya, Nadia, West Bengal, India
3Department of Agronomy, College of Agriculture, Lembucherra, West Tripura,
Tripura, India
4Department of Agronomy, Department of Agronomy, Bidhan Chandra Krishi Viswa vidyalaya, Nadia, West Bengal, India
*Corresponding author
Abstract:

A field experiment was conducted to evaluate the options of best weed management practices in maize-wheat cropping system during kharif season, 2015 and 2016 at the District seed farm, (AB Block), Kalyani, Bidhan Chanra Krishi Viswavidalaya, Nadia, and West Bengal. In maize field, lowest number of weeds per m2 and weed dry weight per m2 were observed in weed free check and significantly lower number of weeds per m2 and weed dry weight per m2 were obtained with pre-emergence application of Atrazine @ 1.5 kg a.i/ha fb (followed by) Tembotrione (Laudis) 120 g a.i/ha POE (post emergence) at 25 DAS (T10 treatment) which was statistically at par with T9 treatment (pre-emergence application of pendimetalin @ 1000 ml/ha fb Atrazine @ 750 g a.i/ha + 2, 4-D Amine @ 0.4 kg a.i/ha at 25 DAS) as POE during the both years. During both the years, it was observed that highest maize grain yield, cob yield and system productivity in term of maize equivalent yield were obtained in weed free check which was statistically at par with treatment receiving Atrazine @ 1.5 kg a.i/ha fb Tembotrione (Laudis) 120 g a.i/ha POE at 25 DAS during first year of experimentation and which was closely followed during second year of experimentation. During the first year of experimentation (2015) highest net return and B: C ratio was obtained in treatment T9 which was at par with T10 treatment. During second year of experimentation (2016) highest net return (Rs.100043/-) was recorded in weed free check followed by sequential application of Atrazine @ 1.5 kg a.i/ha as pre emergence fb Laudis 120 g a.i/ha as POE application (96,452/-).


Keywords: Maize, Grain yield, Weed management, Net return
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How to cite this article:

Sonali Biswas, Srabani Debnath, Abhijit Saha and Benukar Biswas. 2018. Weed Management in Maize System in New Alluvial Zone of West Bengal.Int.J.Curr.Microbiol.App.Sci. 7(4): 1344-1350. doi: https://doi.org/10.20546/ijcmas.2018.704.150