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Genotypes, irrigation and fertility effects on seed yield, water use and water-use efficiency of spring sunflower (Helianthus annuus)

Indian Agricultural Research Journals

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Title Genotypes, irrigation and fertility effects on seed yield, water use and water-use efficiency of spring sunflower (Helianthus annuus)
 
Creator RAJ, BALDEV
SINGH, TEJ
SINGH, HARBIR
 
Subject fertility, irrigation depth, sunflower, water use,water-use efficiency
 
Description A field experiment was conducted during spring 1992 and 1993 to study the effect of irrigation and fertility levelson seed yield, water use and water-use efficiency of 2 sunflower (Helianthus annuus L.) cultivars on sandy loam soil.'MSFH-8' sunflower hybrid had significantly higher seed yield, higher water use and water-use efficiency compared to thecomposite' EC 68415 C'. Seed yield of 1 737 kg/ha was obtained with irrigation scheduled at irrigation depth :cumulative pan evaporation of 0.4, which did not differ. significantly from that of 0.6; ID 60 mm. The lower yield was with cropirrigated at ID : CPE ratio of 0.2. An increase in irrigation frequency increased the seasonal water-use anddecreased water-use efficiency. Application of 120 N + 60 kg p2 O5/ha resulted in higher seed and oil yield, water use andwater-use efficiency. Interaction between genotypes, irrigation schedules and fertility levels was,however, observedto be non-significant
 
Publisher The Indian Journal of Agricultural Sciences
 
Contributor —
 
Date 2013-01-15
 
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/26326
 
Source The Indian Journal of Agricultural Sciences; Vol 69, No 2 (1999)
0019-5022
 
Language eng
 
Relation http://epubs.icar.org.in/ejournal/index.php/IJAgS/article/view/26326/12061
 
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