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Response of rice to crop establishment and weed management



Response of rice to crop establishment and weed management



Indian Journal of Weed Science 37(3/4): 260-262



A field experiment was conducted during kharif 2001, in Uttaranchal, India, to evaluate the effects of crop establishment (transplanting of seedlings after puddling; sowing of sprouted seeds by drum seeder after puddling; dry sowing after conventional tillage; dry sowing after conventional tillage with flush of irrigation before final tillage; and dry sowing without tillage with the application of glyphosate at 0.5 kg/ha before sowing) and weed management practices (weedy; one hand weeding at 30 days of crop growth; and weed-free with pre-emergence butachlor at 1.5 kg/ha plus two hand weedings at 30 and 60 days) on weed infestation and yield of rice. Transplanting of rice seedlings after puddling under weed-free treatment recorded the lowest total weed dry weight and the highest rice grain yield. This treatment combination also recorded the highest net return of Rs. 29 459/ha.

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