R. Das B. C. Patra M. K. Mandal A. Pathak A. K. Dolai


An experiment was undertaken at the C block research farm of Bidhan Chandra Krishi Viswavidyalaya, Kalyani, Nadia, West Bengal, to find out the efficacy of some weed control methods in soybean (cv. Bragg) during kharif season of 2011 -12 and 2012-13. The experiment was conducted in randomized block design (RBD) with 8 treatments in 4 replications. Treatments comprised of two different kinds of mulching (paddy straw @ 5 t ha-1 and polyethylene), two herbicides (Flumioxazin @ 30 g a.i. ha-1 as pre-emergence and Quizalofop-ethyl @ 50 g a.i. ha-1 as post-emergence) alone and in combination, twice hand weeding at 25 and 50 days after sowing (DAS), integrated approach of Flumioxazin @ 30 g a.i. ha-1 as pre-emergence along with one hand weeding at 25 DAS and one weedy check treatment. Among the weed control treatments, twice hand weeding at 25 and 50 DAS resulted the highest control of weeds (5.91 gm-2, 6.09 gm-2 at 30 DAS and at harvest respectively) and produced the highest grain yield at harvest (2797 kg ha-1), followed by Flumioxazin @ 30 g a.i. ha-1 as pre-emergence along with one hand weeding at 25 DAS, straw mulch @ 5 t ha-1, polyethylene mulch and combination of Flumioxazin @ 30 g a.i. ha-1 as pre-emergence + Quizalofop-ethyl @ 50 g a.i. ha-1 as post-emergence.


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Efficacy, Kharif, Soybean, Weed control, Weed index

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Das, R., Patra, B. C., Mandal, M. K., Pathak, A., & Dolai, A. K. (2016). Efficacy of some weed control methods in soybean during kharif season. Journal of Applied and Natural Science, 8(1), 154–158. https://doi.org/10.31018/jans.v8i1.766
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