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Tillage and residue management effect on soil hydro-physical environment under pigeonpea (Cajanus cajan)-wheat (Triticum aestivum) rotation

Indian Agricultural Research Journals

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Title Tillage and residue management effect on soil hydro-physical environment under pigeonpea (Cajanus cajan)-wheat (Triticum aestivum) rotation
 
Creator MONDAL, SURAJIT
CHAKRABORTY, D
TOMAR, R K
SINGH, RAVENDER
GARG, R N
AGGARWAL, P
SIDHU, G S
BEHERA, U K
 
Subject Aggregates, Carbon, Conventional tillage, Infiltration, No-tillage, Penetration resistance, Residue, Soil pores
 
Description A study was conducted in a long-term (6 year) experiment on tillage and residue management on a sandy loam soil(Typic Haplustept) in pigeonpea [Cajanas cajan (L.) Millsp]-wheat (Triticum aestivum L.) cropping system at IARIresearch farm, New Delhi for evaluation of the soil hydro-physical environment. Residue application significantly affected soil bulk density (ρb) and penetration resistance (PR), which were lowest in conventional tillage with residue incorporation (CTRI) (ρb =1.52 Mg/m3, PR=1.27 MPa). The PR was highest in no-till and bare (NT) (1.77 MPa), while residue retention in no tillage (NTRM) significantly reduced PR (1.65 MPa). A hard pan (PR between 1.72 - 1.80 MPa and ρb between 1.66-1.78 Mg/m3 ) was detected 0.1- 0.2 m layer. Mean weight diameter of 0-0.10 soil layer under NT and NTRM became 1.5 and 1.3 times that of its value of 0.396 mm and 0.435 mm, respectively, under CT. Soil macro-pores were 30-40% higher in NT and NTRM. Residue incorporation could improve transmission pores in conventional tillage, which might have contributed in better water retention in soils.
 
Publisher The Indian Journal of Agricultural Sciences
 
Contributor —
 
Date 2013-05-06
 
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/29634
 
Source The Indian Journal of Agricultural Sciences; Vol 83, No 5 (2013)
0019-5022
 
Language eng
 
Relation http://epubs.icar.org.in/ejournal/index.php/IJAgS/article/view/29634/13336
 
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