Evaluation of SIRMOD and SRFR model to simulate application efficiency in border irrigation in Wheat farms

It is necessary to study the efficiency of water use as an effective factor to determine water consumption efficiency and improving it. On the other hand, measuring this parameter is time-consuming and expense. Therefore, developed models that have capability to provide accurate simulations at real is vital. In this study, hydrodynamic, Zero initial and SRFR (Balance method) models were used by border irrigation during 2014-2015 for simulating applied water efficiency in wheat cultivation. Calibration results in the first year showed that the complete hydrodynamic and zero initial models had similar performance with 12 and 13% error, respectively, which was compared with the SRFR model in the second year. The results also indicated that that the SIRMOD-HD model with an average R2 of 0.89, the Root Mean Square Error (RMSE) of 1.86% and the Normalized Root Mean Square Error (NRMSE) of 5% is suitable for simulating application efficiency conditions and has better performance than The SRFR model.