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Vol. 10, Issue 7 (2021)

A study on effective non-chemical weed management techniques for direct seeded rice

Author(s):
Vivitoli I, Dr. Tankeswar Gohain and Gauri Mohan
Abstract:
A field experiment was conducted during the kharif season of 2018 at the experimental farm of Agronomy, NU:SASRD, Medziphema campus, Nagaland, to study the effect of non-chemical weed management techniques for direct seeded rice. The experiment was laid out in randomized block design with 8 treatment combinations consisting of non chemical weed management practices comprised of five treatments viz. Weedy check (W1), Hand weeding at 30 and 60 DAS (W2), Soil solarisation (W3), Brown manuring (W4), Organic mulching (W5). Sowing methods comprised of three treatments viz. Broadcasting (S1), Line sowing at 20 cm (S2) and Hand dibbling (S3). Non-chemical weed management treatment hand weeding at 30 and 60 DAS significantly reduced weed density, weed biomass and increased weed control efficiency, grain yield (35.05 q ha-1), straw yield (80.93 q ha-1) whereas weedy check (W1) recorded the highest weed density, weed biomas and lowest weed control efficiency, grain yield (17.30 q ha-1), straw yield (69.77 q ha-1). Among the sowing methods S2-Line sowing recorded lower weed density, weed biomass and higher weed control efficiency, highest grain yield (29.24 q ha-1).
Pages: 1602-1607  |  215 Views  64 Downloads


The Pharma Innovation Journal
How to cite this article:
Vivitoli I, Dr. Tankeswar Gohain, Gauri Mohan. A study on effective non-chemical weed management techniques for direct seeded rice. Pharma Innovation 2021;10(7):1602-1607.
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