Evaluation of Water Productivity Indexes in Astan Ghods Razavi Companies

فصلنامه آب و توسعه پایدار

Article 3, Volume 2, Issue 2 - Serial Number 5, March 2016, Pages 9-14   

Document Type: review paper

DOI: 10.22067/jwsd.v2i2.46819

Authors

azizallah izady^{* 1}; Kamran Davary²

¹مرکز تحقیقات آب دانشگاه سلطان قابوس، مسقط، عمان

²Ferdowsi University of Mashhad

Abstract

This research aims at determining and evaluating the water productivity indexes in Astan-Ghods-Razavi Companies for different crops during 2007-2008 growth season. Required field data were collected during several field surveys. These data consisted of crop yields and crop consumptive water that is irrigated by distinct agriculture well. With regard to collected data, four water productivity indexes were calculated. To facilitate comparisons, the calculated water productivity indexes became dimensionless and then were scored. After that, common crops of different agriculture wells were compared together. The results show that Corn crop with score of 1.42 for Mashhad, Pistachio crop with score of 1.61 for Sarakhs, Wheat crop with score of 2.27 for Esfarayen, Pistachio and barley with score of 0.5 for Bardaskan, Corn crop with score of 2.27 for Torbat Heidarieh and Pistachio crop with score of 1.61 for Gonabad have best water productivity. Also, the best and worst crop water productivity among different sub-companies is Wheat crop in the Mashhad and Wheat crop in the Esfarayen and Alfalfa in the Gonabad together, respectively. Finally, it is found that Mashhad and Esfarayen are the best and worst sub-companies of water productivity.

Keywords

Astan-Ghods-Razavi; Water Productivity; Benchmarking method; index; Water Resources

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