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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 (2019)
[Effective from January 1, 2019]
For more details click here

ICV 2018: 95.39
Index Copernicus ICI Journals Master List 2017 - IJCMAS--ICV 2018: 95.39
For more details click here

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PRINT ISSN : 2319-7692
Online ISSN : 2319-7706
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Int.J.Curr.Microbiol.App.Sci.2018.7(4): 1473-1480
DOI: https://doi.org/10.20546/ijcmas.2018.704.166


Effect of Establishment Methods and Weed Management Practices on Economics of Direct Seeded Rice (Oryza sativa L.)
Sanjay Kumar1, Nareshmani Pandey1, Ajit Kumar1, Ashok Kumar Singh1, Tarun Gopal1 and Dinesh Kumar2
1Department of Agronomy
2Department of Soil Science, NDUAT,Kumarganj, Faizabad 224229 UP, India
*Corresponding author
Abstract:

The field experiment was conducted at Agronomy Research Farm of Narendra Deva University of Agriculture and Technology, Kumarganj, Faizabad (U.P.) during Kharif season of 2015 and 2016. The experiment was laid out in split-plot design with three replications taking four establishment methods viz., Dry Seeding, Seeding through Drum Seeder (Wet) and Broadcasting (Wet) under puddled condition in main plot, and eight weed management practices viz. Bispyribac-Na @ 25g/ha at 25DAS (3-4 Leaf stage of rice crop), Pendimethaline @100g/ha at 0-2DAS fbBispyribac-Na@25g/ha at 25DAS (3-4 Leaf stage of rice crop), Oxadiargyl @100g/ha 0-2DASfb Bispyribac-Na@25g/ha at 25DAS (3-4 Leaf stage of rice crop), Pretilachlore @ 750g/ha at 0-2DASfbAlmix @ 4 g/ha at 25DAS (3-4 Leaf stage of rice crop), Pyrazosulfuran @ 20 g/ha at 0-2DAS fb ethoxysulfuran @18.75 g/ha at 25DAS (3-4 Leaf stage of rice crop), Manual Weeding (20,40,60 DAS),Weed free and weedy check were kept in sub-plot. The observations were recorded on weeds and on crop at successive stages of crop growth during both the years. The major weed flora recorded in the experiment were
E. crusgalli E. colona and P. maximum of grassy, Commelina benghalensis L. and Eclipta alba of broad leaved group and Cyperus spp. of Sedges group. However, grassy weeds were dominant over other weeds species. Lower values of weed density and dry weight, N uptake and higher values of growth attributes, N uptake by crop, yield and yield attributes were recorded significantly due to manual weeding thrice, and Pretilachlore @ 750g/ha at 0-2DASfbAlmix @ 4 g/ha at 25DAS (3-4 Leaf stage of rice crop)being at par at all characters during both the years. However, weedy check treatment recorded significantly lower values of the entire growth characters yield and yields attributes at all the stages over rest of the weed control treatments. Both of the DSR (wet) drum seeding and broadcasting being at par recorded significantly lower values of weed density, weed dry weight and higher values of growth and yield attributes, grain and straw yield over dry seeding methods during both the years. On the basis of two years experimentation, it may be concluded that higher values of grain yield and net return may be obtained due drum seeding methods of establishment of rice along with integrated method of using weed management by Pretilachlore @ 750g/ha at 0-2DASfbAlmix @ 4 g/ha at 25DAS (3-4 Leaf stage of rice crop), while, broadcasting (wet) showed the same response However, direct seeding of rice through drum along with Pretilachlore @ 750g/ha at 0-2DASfbAlmix @ 4 g/ha at 25DAS (3-4 Leaf stage of rice crop) proved superior (BCR values of Rs 2.12 per ha) over other methods of rice establishment under puddled condition.


Keywords: Rice, Establishment methods, Weed management practices, Growth, Economics, Yield
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How to cite this article:

Sanjay Kumar, Nareshmani Pandey, Ajit Kumar, Ashok Kumar Singh, Tarun Gopal and Dinesh Kumar. 2018. Effect of Establishment Methods and Weed Management Practices on Economics of Direct Seeded Rice (Oryza sativa L.).Int.J.Curr.Microbiol.App.Sci. 7(4): 1473-1480. doi: https://doi.org/10.20546/ijcmas.2018.704.166