ANALYSIS OF ENERGY CONSUMPTION IN GREENHOUSE CUCUMBER PRODUCTION (A CASE STUDY, TEHRAN PROVINCE)

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ESFANJARI KENARI REZA; SHAABANZADEH MAHDI; JANSOUZ PARINAZ; OMIDI AHMAD

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Journal: Iranian Journal of Biosystems Engineering Year:2015 | Volume:46 | Issue:2 Page(s): 125-134

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Title

ANALYSIS OF ENERGY CONSUMPTION IN GREENHOUSE CUCUMBER PRODUCTION (A CASE STUDY, TEHRAN PROVINCE)

Author(s)

ESFANJARI KENARI REZA | SHAABANZADEH MAHDI | JANSOUZ PARINAZ | OMIDI AHMAD | Issue Writer Certificate

Keywords

ENERGY PRODUCTIVITYQ1

NET ENERGY GAINQ2

SPECIFIC ENERGYQ2

RENEWABLE ENERGYQ2

NONRENEWABLE ENERGYQ2

Abstract

With the increasing world population and limitations on the arable land, increasing the yield per unit land is considered as one of the alternatives for further human food supply.Greenhouse cultivation as one of the ways to improve the performance can help to get closer to the purpose. But energy limit is another of the human challenges, so that promotion in the supply of further food without considering the extra energy demand appears to be close to impossible. Due to the high energy demand in the greenhouse productions, in this study, the energy demand and its energy indices within the greenhouse style of cucumber productions (in Tehran Province) were assessed. Also, the energy efficiency of the production units was examined employing the method of Data Envelopment Analysis (DEA). The data for the study was gathered through interviews with 160 greenhouse cucumber producers of Tehran in 2013. The results of the study revealed that energy efficiency, ENERGY PRODUCTIVITY, net and specific energies were equal to 0.52, 0.65 kg/ MJ, -73180 MJ/ ha and 1/52 MJ /Kg, respectively. The shares of direct, indirect, renewable and nonrenewable energies from the total energy consumed were recorded 0.86, 0.14, 0.04 and 0.96, respectively. Also the results indicated that the greenhouses are not efficient, that, in these production units, increase in inputs exceeds the production output, the issue reducing the energy efficiency of the units.

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APA: Copy

ESFANJARI KENARI, REZA, SHAABANZADEH, MAHDI, JANSOUZ, PARINAZ, & OMIDI, AHMAD. (2015). ANALYSIS OF ENERGY CONSUMPTION IN GREENHOUSE CUCUMBER PRODUCTION (A CASE STUDY, TEHRAN PROVINCE). IRANIAN JOURNAL OF BIOSYSTEMS ENGINEERING (IRANIAN JOURNAL OF AGRICULTURAL SCIENCES), 46(2), 125-134. SID. https://sid.ir/paper/144420/en

Vancouver: Copy

ESFANJARI KENARI REZA, SHAABANZADEH MAHDI, JANSOUZ PARINAZ, OMIDI AHMAD. ANALYSIS OF ENERGY CONSUMPTION IN GREENHOUSE CUCUMBER PRODUCTION (A CASE STUDY, TEHRAN PROVINCE). IRANIAN JOURNAL OF BIOSYSTEMS ENGINEERING (IRANIAN JOURNAL OF AGRICULTURAL SCIENCES)[Internet]. 2015;46(2):125-134. Available from: https://sid.ir/paper/144420/en

IEEE: Copy

REZA ESFANJARI KENARI, MAHDI SHAABANZADEH, PARINAZ JANSOUZ, and AHMAD OMIDI, “ANALYSIS OF ENERGY CONSUMPTION IN GREENHOUSE CUCUMBER PRODUCTION (A CASE STUDY, TEHRAN PROVINCE),” IRANIAN JOURNAL OF BIOSYSTEMS ENGINEERING (IRANIAN JOURNAL OF AGRICULTURAL SCIENCES), vol. 46, no. 2, pp. 125–134, 2015, [Online]. Available: https://sid.ir/paper/144420/en

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