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Trends in Biosciences
Year : 2014, Volume : 7, Issue : 5
First page : ( 384) Last page : ( 387)
Print ISSN : 0974-8431. Online ISSN : 0976-2485.

Weed Management in Rice (Oryza sativa L.) under System of Rice Intensification Technique

Patel K.M.*, Patel M.M.

Department of Agronomy, B.A. College of Agriculture, Anand Agricultural University, Anand-388 110 (Gujarat), India

*Email: patelkunjal5@gmail.com

Online published on 24 December, 2014.

Abstract

A field experiment was conducted during kharif season of 2010 to study the comparative performance of different weed management practices in rice under system of rice intensification (SRI) at Anand Agricultural University, Nawagam (Gujarat). Results revealed that maximum grain yield, straw yield, yield attributing characters, higher net realization and the lowestweed population under SRI (system of rice intensification) were recorded with the treatment of three hand weeding carried out at 15, 30 and 45 days after transplanting (DAT). While, under labour crises (scarce, costly and not timely available) situations, post emergence application of Pyrazosulfuron @ 25 g ha−1 in 500 litre water at 10–12 DAT or pre emergence application of Butachlor @1.5 kg ha−1 in 500 litre water at 5 DAT integrated with one hand weeding at 30 DAT was found better under middle Gujarat condition.

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Keywords

Date of sowingDate of transplantingpre.

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