Karimi Avargani, H., Rahimikhoob, A., Nazarifar, M. (2017). Evaluation of Aqua Crop Model in Simulating Barley Biomass Production under Deficit Irrigation. , 31(3), 341-353. doi: 10.22092/jwra.2017.113671
Habib Karimi Avargani; Ali Rahimikhoob; Mohammad Hadi Nazarifar. "Evaluation of Aqua Crop Model in Simulating Barley Biomass Production under Deficit Irrigation". , 31, 3, 2017, 341-353. doi: 10.22092/jwra.2017.113671
Karimi Avargani, H., Rahimikhoob, A., Nazarifar, M. (2017). 'Evaluation of Aqua Crop Model in Simulating Barley Biomass Production under Deficit Irrigation', , 31(3), pp. 341-353. doi: 10.22092/jwra.2017.113671
Karimi Avargani, H., Rahimikhoob, A., Nazarifar, M. Evaluation of Aqua Crop Model in Simulating Barley Biomass Production under Deficit Irrigation. , 2017; 31(3): 341-353. doi: 10.22092/jwra.2017.113671

Evaluation of Aqua Crop Model in Simulating Barley Biomass Production under Deficit Irrigation

پژوهش آب در کشاورزی
Article 5, Volume 31, Issue 3, December 2017, Pages 341-353    PDF (1.02 M)
Document Type: Research Paper
DOI: 10.22092/jwra.2017.113671
Authors
Habib Karimi Avargani1; Ali Rahimikhoob* 2; Mohammad Hadi Nazarifar3
1Former MSc. student, Department of Irrigation and Drainage Engineering, Aburaihan College, University of Tehran, Iran.
2- Professor, Department of Irrigation and Drainage Eng., College of Aburaihan, University of Tehran
3Research expert of Department of Irrigation and Drainage Engineering, Aburaihan College, University of Tehran, Iran.
Abstract
Crop Simulation models are used for water management in farms and are widely used for optimization of water use efficiency. AquaCrop model, developed by FAO, is based on yield response to water. Compared to other similar models, AquaCrop requires fewer input parameters. The objective of this study was evaluation of this model for barley under deficit irrigation in Pakdasht region. The experiment was done in 2014-15 growing season and included three irrigation treatments and three sowing dates. The irrigation treatments included full irrigation and two treatments of 80% and 60 percent of full irrigation. Sowing dates included early, normal, and late planting. Comparing the estimated values of AquaCrop model and measured values showed that the model is well capable of simulating the barley biomass production. Average R2, RMSE and MBE for the comparison between measured and estimated values were calculated to be 0.96, 8.4 %, and 2.6 %, respectively.
Keywords
Crop water consumption; Evapotranspiration; Normalized water productivity; Planting date; Water stress
Supplementary Files
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