The Role of Irrigation Management on Wheat Water Productivity (Case Study: Arzooieh City of Kerman)

Document Type : Research Paper

Authors

1 Department of Water Engineering, Faculty of Agriculture, Shiraz University, Shiraz, Iran

2 Department of Water Engineering, Faculty of Water and Soil, Zabol University, Zabol, Iran

3 Department of Water Engineering, Faculty of Agriculture, Shahid Bahonar University of Kerman, Kerman, Iran

Abstract

Due to the recent water shortages and droughts, the importance of water productivity is becoming more apparent. The main objective of this study is to examine water productivity of wheat according to its water requirement and proper irrigation management. This research was performed in Orzouieh city of Kerman province located in an arid region. In this study by using meteorological data of the region, wheat evapotranspiration was calculated by CROPWAT. Then, potential evapotranspiration was also calculated by Hargreaves-Samani and Jensen-Haise methods to verify the values resulted by CROPWAT package. Irrigation Hydromodule was calculated too. The Volume of water consumed by wheat per hectare during growing season was also calculated using irrigation hydromodule. For performing this study, three wheat farms with proper irrigation management were selected. For calculating physical and economical productivity of wheat farms in the region, one of the farms was examined. The results of this study showed that the physical productivity (CPD) is equal to 1.6 kg/m3 and economical productivity (NBPD) is equal to 13000 Rls./m3. The calculated productivities demonstrate that supplying actual water requirement of wheat along with proper management of the fields, results high economical efficiency. 

Keywords

References

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Iranian Journal of Soil and Water Research
Volume 52, Issue 7
October 2021
Pages 1931-1940

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