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Impact of conservation agriculture practices on energy use efficiency and global warming potential in rainfed pigeonpea–castor systems

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Title Impact of conservation agriculture practices on energy use efficiency and global warming potential in rainfed pigeonpea–castor systems
Impact of conservation agriculture practices on energy use efficiency and global warming potential in rainfed pigeonpea–castor systems
 
Creator ICAR_CRIDA
 
Subject Tillage, Cajanus cajan (L.), Ricinus communis (L.), Energy balance, Greenhouse gas emissions
 
Description Not Available
Identification of agricultural practices which maximize crop productivity, energy use efficiency (EUE)
and minimize greenhouse gas (GHG) emissions is essential. There is dearth of information in rainfed
agriculture in general and conservation agriculture in particular, hence a study was conducted to assess
the EUE andGHGemissions of different tillage practices like conventional tillage (CT), reduced tillage (RT)
and zero tillage (ZT) and residue levels (harvesting heights resulting in 0, 10 and 30cm anchored residue)
in pigeonpea–castor systems under semi-arid rainfed regions of India. CT recorded 30 and 31% higher
energy inputs than ZT in pigeonpea and castor, respectively. The fuel consumption in ZT was 58 and 81%
lower than CT in pigeonpea and castor, respectively. This lower fuel consumption in ZT reduced the GHG
emissions by 21 and 23% in pigeonpea and castor, respectively, in comparison with CT. EUE and energy
productivity were maximum in ZT with 10cm anchored residue. Further, castor grown on pigeonpea
residue recorded 10 and 20% higher energy inputs and GHG emissions over pigeonpea grown on castor
residues. Our results indicate that, reduction in one tillage operation with residue have a minimal impact
on the crop yields but have a substantial environmental benefits.
Not Available
 
Date 2020-02-26T04:54:48Z
2020-02-26T04:54:48Z
2015-02-23
 
Type Technical Report
 
Identifier Not Available
Not Available
http://krishi.icar.gov.in/jspui/handle/123456789/33244
 
Language English
 
Relation Not Available;
 
Publisher G. Pratibha, I. Srinivas, K.V. Rao, B.M.K. Raju, B. Venkateswarlu, Arun K. Shanker, K.Srinivas Rao, Ch. Srinivasa Rao