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Nutrient efficiencies and their evaluation in 'Bhawani' toria (Brassica rapa var napus) on farmers' fields for prescription-based fertilizer recommendations

Indian Agricultural Research Journals

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Title Nutrient efficiencies and their evaluation in 'Bhawani' toria (Brassica rapa var napus) on farmers' fields for prescription-based fertilizer recommendations
 
Creator SURI, V K
VERMA, T S
PAUL, JAI
 
Subject Oilseed production, Prescription based fertilizer, Yield target concept, Targetted yield, Toria, Brassica rapa var napus
 
Description An experiment was conducted during the winter season of 1994 to work out nutrient requirement per tonne of seed production, efficiency of soil available nutrients and that of applied nutrients to Bhawani toria (Brassica rapa (L.) Theil, emend. Metzger var napus L.; syn B. campestris L. ssp oleifera (Metzger) Sink. var toria) in subhumid sub-tropical zone of Himachal Pradesh (India) along with fertilizer adjustment equations. It was found that for producing 1 tonne of toria seed, 45.0, 3.0 and 31.0 kg N, P and K were required respectively. Contribution of soil-available N to toria was 5% and it was 83.4% for fertilizer. Contribution in case of available P from soil was 13% and 66% from fertilizer. Using above fertilizer equations, 11 field trials were conducted during 1995-2000 at different locations on farmers' fields. Results revealed that it is possible to target toria yield up to 1.5 tonnes/ha.
 
Publisher The Indian Journal of Agricultural Sciences
 
Contributor —
 
Date 2014-06-06
 
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/40984
 
Source The Indian Journal of Agricultural Sciences; Vol 72, No 8 (2002)
0019-5022
 
Language eng
 
Relation http://epubs.icar.org.in/ejournal/index.php/IJAgS/article/view/40984/18375
 
Rights Copyright (c) 2014 The Indian Journal of Agricultural Sciences