This article Citation:

Arunima Paliwal, V. Pratap Singh, Jai Prakash Bhimwal, Neeshu Joshi, S.P. Singh, Tej Pratap, S.K. Guru and A. Kumar. 2017. Rice productivity under different weed management and establishment methods . Indian Journal of Weed Science : 49( 1) 5- 9.







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Volume Issue Publication year Page No Type of article
49 1 2017 5-9 Full length articles
Rice productivity under different weed management and establishment methods

Arunima Paliwal, V. Pratap Singh, Jai Prakash Bhimwal, Neeshu Joshi, S.P. Singh, Tej Pratap, S.K. Guru and A. Kumar

DOI: http://dx.doi.org/10.5958/0974-8164.2017.00002.8

Email: arunima.28@rediffmail.com
Address: G.B. Pant University of Agriculture and Technology, Pantnagar, Uttarakhand 263 145

Keywords:

Bispyribac-sodium, Conventional tillage, Establishment method, Rice producivity, Sesbania, Zero tillage



Abstract:

Field experiment was conducted to find out alternative tillage practices with appropriate weed management opportunities to increase the yield potential of rice crop. Major associated weeds were Echinochloa colona, E. crus-galli, Leptochloa chinensis among grasses, Caesulia axillaris, Alternanthera sessilis, Ammania baccifera among broad-leaved weeds and Cyperus rotundus, C. iria, C. difformis and Fimbristylis miliaceae among sedges at 60 DAS.  Adoption of conventional transplanted rice (TPR) with Sesbania inclusion as green manure along with integrated approaches of weed management using bispyribac-sodium 20 g/ha supplemented with one hand weeding at 45 DAS was found effective and profitable alternative than conventional transplanted rice and hand weeding to attain higher productivity of rice crop. However, the benefit cost ratio was higher when the crop was grown under zero-till situation (ZTR) along with retention of crop (wheat) residues followed by Sesbania as brown manure due to less cost involved under zero-till situation.





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