NDLI: Optimizing energy consumption efficiency for greenhouse cucumber production using the DEA (data envelopment analysis) approach in Markazi Province of Iran

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Optimizing energy consumption efficiency for greenhouse cucumber production using the DEA (data envelopment analysis) approach in Markazi Province of Iran

Content Provider	Semantic Scholar
Author	Firoozi, Sajjad Sheikhdavoodi, Mohammad Javad Farani, Saeedeh Mohammadi
Copyright Year	2014
Abstract	This paper applied a non-parametric (Data Envelopment Analysis) method to analyze the efficiency of farmers, discriminate efficient farmers from inefficient ones and to identify wasteful uses of energy in order to optimize the energy inputs for greenhouse cucumber production in Markazi province of Iran. Data were collected from 33 cucumber producers by using a face-to-face questionnaire. DEA creates a best-practice production frontier based on the growers that produce their level of greenhouse cucumber yield with the least amount of input energy. The results revealed that total operational energy of 595.24 GJ is consumed in greenhouses. Most shares of this energy are allocated to fuel and chemical by the shares of 59.15% and 12.88% respectively. Two basic DEA models, Constant Return to Scale (CRS) and Variable Return to Scale (VRS) were used to measure the technical efficiency (TE) of the greenhouses based on eight energy inputs and one output. The CRS and VRS models indicated that 11 and 22 greenhouses were efficient, respectively. The average values of TE, pure technical efficiency (PTE) and scale efficiency (SE) of greenhouses were found to be 0.93, 0.99 and 0.93 separately. Moreover, energy-saving target ratio (ESTR%) for greenhouse cucumber production was calculated as 18.18%, indicating that by following the recommendations resulted from this study, 182.21 GJ ha -1 of total input energy could be saved while holding the constant level of greenhouse cucumber yield.
Starting Page	543
Ending Page	558
Page Count	16
File Format	PDF HTM / HTML
Volume Number	10
Alternate Webpage(s)	http://ijat-aatsea.com/pdf/v10_n3_14_May/4_IJAT_2014_10(3)_Sajjad_Firoozi-Agricultural_Engineering.pdf
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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