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Effect of irrigation and phosphorus on safflower (Carthamus tinctorius) yield in Rajasthan

Indian Agricultural Research Journals

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Title Effect of irrigation and phosphorus on safflower (Carthamus tinctorius) yield in Rajasthan
 
Creator Singh, Ved
Ramdev, Ramdev
Sharma, S K
Verma, B L
 
Subject —
 
Description A field experiment was conducted during winter season of 1990-91, 1991-92 and 1992-93 to study the effect of irrigation andphosphorus levels on yield of safflower (Carrhamus tintortus L. ). Two irrigations applied to safflower either at rosette +flowering or rosette + seed-setting stages gave significantly higher yield (1.52 tonnes/ha), yield attributes (16.7heads/plant and 18.1 seeds/head), net return (Rs 6 340/ha) and benefit : cost ratio (.1.47) compared with l irrigation.Applicatitln 0f 26.4 kg P/ha gave significantly higher seed yield (1.43 tonnes/ha) and oil yield (439 kg/ha) than the controland 13.2 kg P/ha. However, irrigation level did not affect the oil content in seed. Interaction effect irigation and P onseed yield was significant. Application of  P @ 26.4 kg/ha gave additional net return of Rs 1 095/ha compared with 13.2 kg/haand of Rs 2 470/ha compared with the control. Highest mean consumptive use (377 mm water) was recorded when safflowerreceived 3 irrigations (rosette + flowering + seed-setting stages) and highest water-use efficiency (4.37 kg/ha-mm) wasobtained when 2 irrigations were applied at rosette + seed-setting stages.
 
Publisher The Indian Journal of Agricultural Sciences
 
Contributor —
 
Date 2012-06-06
 
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/19013
 
Source The Indian Journal of Agricultural Sciences; Vol 65, No 9 (1995)
0019-5022
 
Language eng
 
Relation http://epubs.icar.org.in/ejournal/index.php/IJAgS/article/view/19013/9361
 
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