ANALYSIS OF ENERGY INDICES IN RICE PRODUCTION SYSTEMS IN THE NEKA REGION

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DASTAN SALMAN; NOURMOHAMMADI GHORBAN; MADANI HAMID; SOLTANI AFSHIN

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Journal: Environmental Sciences Year:2015 | Volume:13 | Issue:1 Page(s): 53-66

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Title

ANALYSIS OF ENERGY INDICES IN RICE PRODUCTION SYSTEMS IN THE NEKA REGION

Author(s)

DASTAN SALMAN | NOURMOHAMMADI GHORBAN | MADANI HAMID | SOLTANI AFSHIN | Issue Writer Certificate

Keywords

DOCUMENTATIONQ2

ENERGY BALANCEQ2

ENVIRONMENTQ1

ORYZA SATIVAQ2

SRIQ2

Abstract

Optimizing of energy consumption in agro-ecosystems can help reduce farm operating costs, improve air quality, reduce GHG emission levels and results in sustainable development. Therefore, studying the management of different cropping systems represents a good method to optimize input requirements, yield and net energy supply. The objectives of this study were to document the production process and analysis of energy indices in rice production systems. In this experiment, rice production systems that included SRI, improved and conventional, were studied at a paddy field in the Neka region during 2011-2012. The total energy consumption in rice production systems was calculated, including the fertilizers, seed, plant protection, machinery, transportation and all on-farm activities. The results indicated that the average input energy in the systems studied, including direct, indirect, renewable and non-renewable energies, was 24262.29 MJ ha-1. Total output energy in rice-based agro-ecosystems was 191.34 MJ ha-1. The share of direct and renewable energy uses of SRI was more than in improved and conventional systems, but the share of indirect and non-renewable energy uses in SRI was less than in improved and conventional systems. The highest energy efficiency, energy productivity and net energy were observed in SRI. But, specific energy was lower for SRI than for other systems. This variation was dependent on input intensities and growing conditions. It was concluded that energy management at the farm level could be improved to give greater energy productivity and economic efficiency and, so, SRI was the most productive in terms of energy. In this regard, renewable energy sources appear to be one of the most efficient and effective solutions for sustainable energy development and ENVIRONMENTal pollution prevention in Iran.

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APA: Copy

DASTAN, SALMAN, NOURMOHAMMADI, GHORBAN, MADANI, HAMID, & SOLTANI, AFSHIN. (2015). ANALYSIS OF ENERGY INDICES IN RICE PRODUCTION SYSTEMS IN THE NEKA REGION. ENVIRONMENTAL SCIENCES, 13(1 ), 53-66. SID. https://sid.ir/paper/117700/en

Vancouver: Copy

DASTAN SALMAN, NOURMOHAMMADI GHORBAN, MADANI HAMID, SOLTANI AFSHIN. ANALYSIS OF ENERGY INDICES IN RICE PRODUCTION SYSTEMS IN THE NEKA REGION. ENVIRONMENTAL SCIENCES[Internet]. 2015;13(1 ):53-66. Available from: https://sid.ir/paper/117700/en

IEEE: Copy

SALMAN DASTAN, GHORBAN NOURMOHAMMADI, HAMID MADANI, and AFSHIN SOLTANI, “ANALYSIS OF ENERGY INDICES IN RICE PRODUCTION SYSTEMS IN THE NEKA REGION,” ENVIRONMENTAL SCIENCES, vol. 13, no. 1 , pp. 53–66, 2015, [Online]. Available: https://sid.ir/paper/117700/en

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