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Response of sunflower genotypes (Helianthus annuus) to nutrient management

Indian Agricultural Research Journals

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Title Response of sunflower genotypes (Helianthus annuus) to nutrient management
 
Creator DEVIDAYAL, DEVIDAYAL
AGARWAL, SK
 
Subject Chief Agronomist CCS Haryana Agricultural University. Hisar 125 004
 
Description A field experiment was conducted during spring season of 1995 and 1996 at Hisar on a sandy loam soil to study theeffectof various combinations of nutrient management on the productivity ofsunflower (Helianthus annuus L.) hybrids.The experiment consisting of combinations of 2 sunflower hybrids, viz 'MSFH 8' and 'Sadshah' (dwarf); 5 sources oforganic manure in main plots and 4 fertility levels in sub-plots was laid out in a split-plot design with 3 replications. Theseed yield was recorded significantly higher in hybrid 'Badshah' over' MSFH 8' during both the years. Head diameter,number of seeds and yield/plant were also significantly higher in hybrid 'Badshah' than in 'MSFH 8' but 1OO-seedweight was significantly higher in 'MSFH 8' in both the years. The head diameter was not affected significantly by theorganic manures but seeds/head and 100-seed weight improved by the application ofany of the organic manures duringboth the years. The yield/plant and yield/ha improved significantly by the application of any of the organic manures inboth the years except with farmyard manure during 1996. Whereas, in pooled analysis vermi -compost 10 tonnesiba wassignificantly superior to other organic manures. All the yield attributing characters also recorded significantly higherwith the successive increase in fertility levels except head diameter during 1995. Yield attributes and seed yield ofsunflower generally increased significantly by increasing levels of fertility up to 120 kg N + 60 kg P/ha without organicmanures and up to 80 kg N and 40 kg P/ha with the application of any of the organic manures. For higher seed yield ofsunflower, application of either verm-compost 5 tonnes/ha or farmyard manure 10 tonnes/ha with 80 kg N + 40 kg P/hawasthe best treatment.
 
Publisher The Indian Journal of Agricultural Sciences
 
Contributor —
 
Date 2013-01-09
 
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/26189
 
Source The Indian Journal of Agricultural Sciences; Vol 69, No 1 (1999)
0019-5022
 
Language eng
 
Relation http://epubs.icar.org.in/ejournal/index.php/IJAgS/article/view/26189/12018
 
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