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Energy Budgeting and Sensitivity Analysis of Rice (Oryza sativa) – Wheat (Triticum aestivum) Cropping System in Indogangentic Plains of India

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Title Energy Budgeting and Sensitivity Analysis of Rice (Oryza sativa) – Wheat (Triticum aestivum) Cropping System in Indogangentic Plains of India
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Creator V. Paramesh, N. Ravisankar, Bappa Das, K. Viswanatha Reddy and Narendra Pratap Singh
 
Subject Energy analysis, Net energy, Rice, wheat cropping system, Sensitivity analysis.
 
Description Not Available
Mechanization in Indo-Gangetic plains of India is increasing progressively for the past
decades. Use of energy intensive inputs is increasing in a modern intensive agricultural
production system. The effect of energy intensive inputs are directly associated with the
cost of crop production and environmental issues. These necessities the need of energy
input – output analysis. This paper presents the energy input-output analysis of rice (Oryza
sativa L.) – wheat (Triticum aestivum L.) cropping system studied at Indian Institute of
farming system research, Modipuram from 2011 to 2014. Results reveal the variations in
energy consumption from rice (25819.4 MJ/ha) and wheat (17714.9MJ/ha). Nitrogenous
fertilizer (25-33%), fuel (6.8-18.2%) and irrigation water (8.6 - 23.7%) consumed the bulk
of the input energy in rice and wheat. Rice crop with the higher energy output produced
higher energy use efficiency (7.6), energy use efficiency for grain (4.1) net energy
(171399.2) and energy profitability (0.28), while the human energy profitability (162.9)
was higher in wheat indicating that it was more labour energy efficient than rice. The
consumption of direct (6522.7 MJ/ha) and indirect energy (19296.8 MJ/ha) was found
higher in rice crop. Econometric model estimation emphasized that direct energy was
found more positive on increasing rice and wheat yield. Thus sensitivity analysis also
indicated marginal physical productivity of 0.96. Both rice and wheat were found energy
intensive; in order to reduce the energy consumption crop diversification and farm
mechanization would be the possible solution.
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Date 2019-12-04T08:55:34Z
2019-12-04T08:55:34Z
2017-03-01
 
Type Research Paper
 
Identifier Not Available
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http://krishi.icar.gov.in/jspui/handle/123456789/27225
 
Language English
 
Relation Not Available;
 
Publisher Excellent Publiser