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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 (2017)
[Effective from January 1, 2017]
For more details click here

ICV 2016: 92.3
Index Copernicus ICI Journals Master List 2016 - IJCMAS--ICV 2016: 92.3
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 2015: 85.95
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Int.J.Curr.Microbiol.App.Sci.2017.6(3): 65-72
DOI: https://doi.org/10.20546/ijcmas.2017.603.006


Effect of Weed Management Practices and Establishment Methods on Growth, Productivity and Economics of Rice
Rajiv Dubey1*, Dheer Singh2 and Aakash Mishra3
1Department of Agronomy, College of Horticulture, Mandsaur (M.P.), India
2Department of Agronomy, College of Agriculture, GBPUA&T, Pantnagar (U.K.), India
3AICRP- Weed Management, B.A. College of Agriculture, Anand Agriculture University, Anand 388110, Gujarat, India
*Corresponding author
Abstract:

A field experiment was conducted at N.E. Borlaug Crop Research Centre of Govind Ballabh Pant University of Agriculture and Technology, Pantnagar, U.S. Nagar (Uttarakhand) during Kharif seasons of 2010-11 and 2011-12 to study the effect of crop establishment methods and weed management practices on growth and productivity of rice. Four crop establishment method viz. system of rice intensification (SRI), transplanted rice (TPR), direct seeded rice (DSR-dry seeded) and wet seeded rice (WSR- sprouted) and four weed management practices viz. pyrazosulfuron-ethyl (3 DAS/DAT) + mechanical weeding (at 40 DAS/DAT), cono-weeder (twice- at 20 and 40 DAS/DAT), hand-weeding (twice- at 20 and 40 DAS/DAT) and weedy check were tested in strip plot design with three replications. Maximum shoot dry matter, higher number of panicles, grains per panicle, longer panicle length, test weight, grain yield and net return was recorded in hand weeding (20 and 40 DAS/DAT) than that of other weed management practices. Among the rice establishment methods, SRI method exhibited maximum grains per panicle, longer panicle length, test weigh, grain yield and harvest index and net return.


Keywords: SRI, Wet seeded rice, Cono-weeder, Pyrazosulfuron-ethyl.
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How to cite this article:

Rajiv Dubey and Dheer Singh. 2017. Effect of Weed Management Practices and Establishment Methods on Growth, Productivity and Economics of Rice.Int.J.Curr.Microbiol.App.Sci. 6(3): 65-72. doi: https://doi.org/10.20546/ijcmas.2017.603.006