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Effect of irrigation regimes and sources of nitrogen on the growth, yield, economics and soil nitrogen of cauliFlower (Brassica oleracea var botrytis subvar cauliflora) production

Indian Agricultural Research Journals

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Title Effect of irrigation regimes and sources of nitrogen on the growth, yield, economics and soil nitrogen of cauliFlower (Brassica oleracea var botrytis subvar cauliflora) production
 
Creator IDNANI, L K
THUAN, N T Q
 
Subject Cauliflower; Irrigation; Nitrogen sources; Growth; Yield, Yield attributes; Available soil N;Economics
 
Description A field experiment was conducted during 2003-04 and 2004-05 to study the effect of irrigation regimes and nitrogen through different organic sources and urea on yield. water use parameters and soil nitrogen of cauliflower (Brassica oleracea var botritys subvar cauliflora).The irrigation at 30 mm CPE recorded significantly the highest plant height (43.0 cin), number of leavesiplant (18.3), leaf area index (2.6), stalk length (9.2 cm), dry matter production (105.7 glplant), days to final maturity(l05.5), total biomass yield(54.4 tonnes/ha), marketable yield (1 8.2 tonnes/ha) and available soil nitrogen (259.4 kgiha) and the highest net return (Rs 49 447) and benefit:cost ratio (4.10) as compared to 20 and 40 rnnl CPE during both the years. While irrigation at 20 mmCPE recorded significantly the highest harvest index (0.38 1) during both the years, respectively. Application of 50 kg Ntha through urea + 5 tonnes/ha farmyard manure resulted in significantly the highest plant height (43.5 cm), number of leaves per plant (19.0), leaf area index (2.7) dry matter production (I 18.2 gl plant), total biomass production (50.9 tonnesiha), marketable yield (1 8.3 tonnes/ha), total soil nitrogen (0.047 %) and the highest net return (Rs 48 880) and benefit:cost ratio (3.78) during both the years. An application of 75 kg N/ha (urea) recorded significantly the highest stalk length (9.2 cm). Similarly, application of 25 kg N/ha through urea t Azotobacter + 5 tonnes/ha farmyard manure recorded significantly the highest harvest index (0.400) during both the years, whereas applicationof 50 kg N/ha through urea+ Azotobacter + 5 tonnes/ha farmyard manure, recorded significantly the highest days to final maturity (105.7) and available soil nitrogen (268.1 kg/ha) during both the years respectively.
 
Publisher The Indian Journal of Agricultural Sciences
 
Contributor —
 
Date 2011-01-12
 
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/3417
 
Source The Indian Journal of Agricultural Sciences; Vol 77, No 6 (2007)
0019-5022
 
Language eng
 
Relation http://epubs.icar.org.in/ejournal/index.php/IJAgS/article/view/3417/1434
 
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