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Evaluation of wheat (Triticum aestivum) genotypes for productivity and economics under graded levels of nitrogen in temperate Kashmir

Indian Agricultural Research Journals

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Title Evaluation of wheat (Triticum aestivum) genotypes for productivity and economics under graded levels of nitrogen in temperate Kashmir
 
Creator SINGH, PURSHOTAM
SINGH, PARMEET
SINGH, K N
SINGH, REKHI
AGA, F A
BAHAR, F
RAJA, WASEEM
 
Subject Nitrogen levels; NUE indices; Phenology; Relative economics; Wheat genotypes
 
Description A study was conducted during winter seasons of 2005 and 2006 to find out the effective and economical rate of nitrogen for suitable genotypes of wheat (Triticum aestivum L. emend.Fiori and Paol.) under temperate conditions of Kashmir. The 4 wheat genotypes (‘VL738’, Shalimar ‘wheat 1’, ‘HS 240’ and ‘HS 365’) as influenced by 4 nitrogen levels (0, 50, 100 and 150 kg N/ha) were tested in a field experiment at Wadura. Genotype trend in grain yield ranged from 4.48 to 4.04 tonnes/ha in the order of ‘Shalimar Wheat 1’ > ‘HS 365’>‘HS 240’> ‘VL 738’. ‘Shalimar wheat 1’ recorded highest grain yield which is 10.8%, 13.7% and 5.77% more over ‘VL738’, ‘HS240’ and ‘HS365’, respectively. Nitrogen-use efficiency indices at 100 kg nitrogen application (i e agronomy efficiency, 17.6 kg/kg, physiological efficiency, 57.41 kg/kg and N recovery =31.2%) also showed superiority of ‘Shalimar wheat 1’ over other genotypes. The optimum dose of nitrogen worked out from response equation of genotypes were 115.31, 122.35, 119.61 and 122.89 kg/ha, respectively. Among all the treatment combinations. ‘Shalimar wheat 1’ applied with 100 kg N/ha was found more economic with benefit : cost ratio of 2.25 under temperate valley conditions.
 
Publisher The Indian Journal of Agricultural Sciences
 
Contributor ICAR
 
Date 2010-07-12
 
Type info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
Peer-reviewed Article
 
Format application/pdf
 
Identifier http://epubs.icar.org.in/ejournal/index.php/IJAgS/article/view/202
 
Source The Indian Journal of Agricultural Sciences; Vol 80, No 5 (2010)
0019-5022
 
Language eng
 
Relation http://epubs.icar.org.in/ejournal/index.php/IJAgS/article/view/202/187
 
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