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Effect of weed-control measures on yield, weed control, economics and energetics of rice (Oryza sativa)-wheat (Triticum aestivum) cropping system

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Title Effect of weed-control measures on yield, weed control, economics and energetics of rice (Oryza sativa)-wheat (Triticum aestivum) cropping system
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Creator Tiwari, R. B., Pandey,T.D., Sharma, Geet and Chaure. N.K.,
 
Subject Crop protection, Cropping system, Energetics, Energy productivity, Rice weed flora, Weed control, Wheat.
 
Description Not Available
An experiment was conducted during 2010–11 and 2011–12 at Bilaspur, Chhattisgarh, to assess the effect of weed-control measures on grain yield, weed control efficiency (WCE) and economics of rice (Oryza sativa L.)wheat [Triticum aestivum (L.) emend. Fiori & Paol.] cropping system. Application of pyrazosalfuron @ 0.02 kg/ha as pre-emergence + fenoxoprop-p-ethyl @ 0.06 kg/ha (25 days after sowing) as post-emergence resulted in significantly higher grain yield (5.7 t/ha), weed-control efficiency (76.3%) and net returns ( 41,800/ha) over other weed-management practices adopted in rice. In case of wheat, the highest grain yield (5.5 t/ha), net returns ( 36,200/ha) and weed-control efficiency (89.6%) was obtained with the application of sulfosulfuron @ 0.025 kg/ha (25 days after sowing) as post-emergence. The highest energy productivity (0.426 kg/MJ) was observed due to application of pyrazosulfuron as pre-emergence and fenoxoprop as post emergence in rice, while in case of wheat the highest energy productivity (0.490 kg/MJ) was recorded with application of sulfosulfuron applied as post emergence over the other weed-management treatments.
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Date 2019-12-09T04:45:58Z
2019-12-09T04:45:58Z
2014-02-13
 
Type Article
 
Identifier Tiwari, R. B., Pandey,T.D., Sharma, Geet and Chaure. N.K., (2013). Effect of weed control measureon yield, weed control, economics and energetic of rice (Oryza-sativa)- wheat( Triticum aestivum) cropping system. Indian Journal of Agronomy, Vol (58) 4: 465-468.
Print ISSN : 0537-197X. Online ISSN : 0974-4460.
http://krishi.icar.gov.in/jspui/handle/123456789/28799
 
Language English
 
Relation Not Available;
 
Publisher The Indian Society of Agronomy