Evaluation and Comparison of Energy Indices in Wheat Farms in Townships of Alborz Province

Document Type : Research Paper

Abstract

The our purpose of objective is evaluation and comparison the energy flow in wheat lands of cities in Alborz province. we try to calculate the indexes of energy ratio, gross energy, specific energy, energy efficiency, energy intensity, total input and output energy. population of the study consisted of farmers of cities in Alborz province in the year of 1391-92. It was a best way that we use population Morgan, 273 farmer agriculture Section Alborz Province. To collect the data we can use a questionnaire with reliability coefficient of 0.91 and also Agriculture Organization data. The results showed that, at Between energy input the cultivation of wheat in the 4 district, Chemical fertilizer (28176 MJ/ha) and fuel (22154 MJ/ha) the highest and Human labor (85 MJ/ha) had the lowest energy consumption. This research has a good advantage that we can know Energy ratio in Nazarabad (2.74), Karaj (2.57), Eshtehard (2.23) and Savojblagh (2.5). Nazarabad city with 0.086 kg/MJ and city Eshtehard with 0/070 kg/MJ more in less Energy Productivity among wheat. Among 4 area study city Nazarabad with Net Energy Gain 90802.42 MJ/ha, Energy intensit 5.21 MJ/m2 and Specific Energy 11.57 MJ/kg had better conditions than the other three regions.

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References

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Iranian Journal of Biosystems Engineering
Volume 47, Issue 4 - Serial Number 4
January 2017
Pages 779-771

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History

  • Receive Date: 26 July 2016
  • Revise Date: 02 November 2016
  • Accept Date: 21 November 2016

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