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Growth, yield, water relation and its use in tuberose (Polianthes tuberosa) as influenced by irrigation regime and nitrogen level

Indian Agricultural Research Journals

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Title Growth, yield, water relation and its use in tuberose (Polianthes tuberosa) as influenced by irrigation regime and nitrogen level
 
Creator Halepyati, Ashok S
Sujatha, K
Prabhakar, M
 
Subject —
 
Description An experiment was conducted during winter season of 1991-92 and 1992-93 to find out the influence of different irrigation regimes and N feltilization on growth, flower yield water use of 'Single' tuberose (Polianthes tuberosa L.) on a well-drained sandy-loam soil. Irrigation  equal to replenishing 120% of pan evaporation (Epan) showed the maximum growth, flower yield (10.04 tonnes/ha), spike length (88.0 cm), rachis leligth (22.2 cm), flowers/spike (38.8) and actual evapo-transpiration (551.2 mm). The transpiration rate (40.3 g/cm2/sec) increased with an increase in frequency of irrigation. The leaf temperature (32.7 degree C) and stomatal diffusive resistance (1.05 sec/cm) decreased with an increase in Epan replenishment. The water-use efficiency was the highest (22.8 kg/ha-mm) with irrigation given to replenish 40% Epan. The maximum growth, flower yield (10.23 tonnes/ha) and water-use efficiency (22.7 kg/ha-mm) were recorded with 400 kg N/ha.
 
Publisher The Indian Journal of Agricultural Sciences
 
Contributor —
 
Date 2012-06-07
 
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/19161
 
Source The Indian Journal of Agricultural Sciences; Vol 65, No 12 (1995)
0019-5022
 
Language eng
 
Relation http://epubs.icar.org.in/ejournal/index.php/IJAgS/article/view/19161/9502
 
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