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International Journal of Current Microbiology and Applied Sciences (IJCMAS)
IJCMAS is now DOI (CrossRef) registered Research Journal. The DOIs are assigned to all published IJCMAS Articles.
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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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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.2017.6(9): 2132-2138
DOI: https://doi.org/10.20546/ijcmas.2017.609.262


Effect of Agronomic Practices and Weed Management Practices on Weed Dry Weight and Weed Control Efficiency in Direct Seeded Rice under Rainfed Condition of Eastern Uttar Pradesh
Gargi Goswami1, Yashwant Singh1 and Santosh Kumar2*
1Department of Agronomy, Institute of Agricultural Sciences, BHU, Varanasi-221 005, India
2Department of Agronomy, Regional Research Station, BAU, Sabour- 852201, India
*Corresponding author
Abstract:

A field experiment was carried out in the year 2014 and 2015 at experimental field of Banaras Hindu University, Varanasi, Uttar Pradesh, to evaluate the influence of mulching, nitrogen levels and weed management practices on direct seeded rice. Twenty-four treatment combinations consisting of two mulching viz. no mulch and live mulching (brown manuring with sesbania) and nitrogen levels (120 kg ha-1, 150 kg ha-1 and 180 kg ha-1) in main plot and four weed management practices viz. weedy check, two hand weeding at 20 and 40 DAS; azimsulfuron @ 30 g/ha + bispyribac-sodium @ 25 g/ha at 10-15 DAS; pendimethalin @ 1 kg/ha at 1-3 DAS fb bispyribac-sodium @ 25 g/ha 15-20 DAS were allocated to sub plots. It was observed that total weed dry weight at all the stages of observation was found to be significantly lower when brown manuring with sesbania was done under mulching. Under nitrogen levels, 180 kg ha-1 recorded highest while 120 kg ha-1 recorded lowest total weed dry weight. Treatment pendimethalin fb bispyribac- sodium @ 25 g/ha recorded lowest total weed dry weight under weed management practices. Weed control efficiency was observed higher under live mulching, 150 kg ha-1 and pendimethalin fb bispyribac- sodium @ 25 g/ha among mulching, nitrogen levels and weed management practices, respectively.


Keywords: Dry weight, Herbicide, Weed control efficiency
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How to cite this article:

Gargi Goswami, Yashwant Singh and Santosh Kumar. 2017. Effect of Agronomic Practices and Weed Management Practices on Weed Dry Weight and Weed Control Efficiency in Direct Seeded Rice under Rainfed Condition of Eastern Uttar PradeshInt.J.Curr.Microbiol.App.Sci. 6(9): 2132-2138. doi: https://doi.org/10.20546/ijcmas.2017.609.262