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Influence of boron and organic matter on the changes in soil biological properties and yield of rape (Brassica campestris) in an aeric endoaquept

Indian Agricultural Research Journals

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Title Influence of boron and organic matter on the changes in soil biological properties and yield of rape (Brassica campestris) in an aeric endoaquept
 
Creator MANDAL, MITALI
DAS, DILIP KUMAR
 
Subject Boron, Microbial properties, Non-rhizosphere, Organic matter, Rhizosphere, Yield
 
Description Field experiments were conducted during winter seasons of 2006 -07 and 2007-08 to study the influence of boron and organic matter application on the changes in soil biological properties in an aeric endoaquept (pH,7.5;organic carbon content, 0.61%; CaCl2–extractable boron 0.32 mg/kg) growing rape (Brassica campestris L.) as a test crop. The results reveal that non-symbiotic nitrogen fixing bacteria (NFB), non symbiotic nitrogen fixing capacity, phosphate solubilising micro-organisms (PSM), phosphate solubilising capacity (PSC) and microbial biomass carbon (MBC) have been found to be influenced with different treatments, being recorded highest (90.45, 69.29 × 105/g soil; 11.73, 9.63; 80.29, 63.28 mg of N2 fixed/g of soil/g of sucrose; 0.038, 0.032 mg/g dry soil and 159.48, 149.58 μg/g dry soil respectively) in the treatment T4 where lower level (0.5 kg/ha) of boron as calbor and organic matter at 5 tonnes/ha was applied along with recommended levels of N, P2O5 and K2O (80:40:40) in both rhizosphere (R) and nonrhizosphere (NR) soils. The yield of rape was also recorded highest (8.95 q/ha) in the treatment T4 (lower level (0.5 kg/ha) of boron as calbor,organic matter at 5 tonnes/ha and recommended levels of N, P2O5 and K2O (80:40:40 ). From the stepwise technique of multiple regression it was revealed that the NFB at R and NR, PSC at R and NR, PSM at R and NR and MBC at NR are only important predictors which can explain 99 % of total variance.
 
Publisher The Indian Journal of Agricultural Sciences
 
Contributor —
 
Date 2014-11-12
 
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/44624
 
Source The Indian Journal of Agricultural Sciences; Vol 84, No 11 (2014)
0019-5022
 
Language eng
 
Relation http://epubs.icar.org.in/ejournal/index.php/IJAgS/article/view/44624/19574
 
Rights Copyright (c) 2014 The Indian Journal of Agricultural Sciences