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Effect of phosphate solubilizing analogue resistant mutants of Azotobacter chroococcum on sorghum

Indian Agricultural Research Journals

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Title Effect of phosphate solubilizing analogue resistant mutants of Azotobacter chroococcum on sorghum
 
Creator KUMAR, VIVEK
PUNIA, S S
LAKSHMINARAYAN, K
NARULA, NEERU
 
Subject Azotobacter chroococcum, sorghum, mutants, phosphate solubilization
 
Description A study was conducted during rainy season (kharif) 1995 on sorghum (Sorghum bicolor (L.) Moench) with phosphatesOlubilizing Azotobacter chroococcum to observe an interactive effect. Phosphate solubilising analogue resistantmutants ofAzotobacter chroococcum PS 2, PS 6 and PS 11 showed a positive interactive effect on 'HC 171' sorghum.Different growth parameters like plant height, number of plants/m row length, green and dry fodder yield increasedsignificantly by inoculation of different bacterial strains. Three levels of fertilizers were applied control (FLo)' 90 kgN+ 11 kg P/ha (FLl) and 90 kg N + 26 kg P/ha (FL2). Without inoculation of sorghum seeds with bacteria and fertilizerlevel FL2 showed increased yield over control and FL1 with application of P solubilizing A. chroococcum strains therewas no significnt difference on growth parameters at Fl1 and FL2 fertility levels indicating that inoculation of p_solubilizing Azotobacter strains can reduce fertilizer levels from 26 kg P/ha to 13 kg P/ha.  
 
Publisher The Indian Journal of Agricultural Sciences
 
Contributor —
 
Date 2013-01-16
 
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/26531
 
Source The Indian Journal of Agricultural Sciences; Vol 69, No 3 (1999)
0019-5022
 
Language eng
 
Relation http://epubs.icar.org.in/ejournal/index.php/IJAgS/article/view/26531/12122
 
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