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The aim is to assess the AquaCrop model's effectiveness in predicting wheat yield changes due to climate factors under different irrigation conditions.

April 16, 2026Irrigation and DrainageOpen Access

Validating the Efficiency of the AquaCrop Model Under Full and Deficit Irrigation Regimes to Simulate Future Climate Impacts on Wheat Crop

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The aim is to assess the AquaCrop model's effectiveness in predicting wheat yield changes due to climate factors under different irrigation conditions.
Conducted wheat trials from 2018 to 2020 in Sindh, Pakistan.
Evaluated AquaCrop model using data from deficit irrigation treatment ITS 50 (50% irrigation at tillering).
Calculated statistical measures like NRMSE, Willmott's d-index, and Nash-Sutcliffe efficiency for validation.
Model estimates wheat yield with NRMSE of 13% under full irrigation and 17% under deficit irrigation.
Model predicts a yield increase of 6-7% under full irrigation for climate scenarios RCP4.5 and RCP8.5.
Predicted yield decrease of 10-12% and 21-24% under 25% and 50% reduced irrigation depths respectively.
Wheat water productivity increased by 16% under well-watered conditions in RCP8.5 compared to RCP4.5.

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Implication

Model evaluates wheat yield impacts from climate change under varied irrigation in Sindh, suggesting future water needs.

Cite This Study

Memon et al. (2026) studied this question.

synapsesocial.com/papers/69e07c632f7e8953b7cbda98 https://doi.org/10.1002/ird.70131

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Validating the Efficiency of the AquaCrop Model Under Full and Deficit Irrigation Regimes to Simulate Future Climate Impacts on Wheat Crop

Key Points

Discussion

Implication

Cite This Study

Validating the Efficiency of the AquaCrop Model Under Full and Deficit Irrigation Regimes to Simulate Future Climate Impacts on Wheat Crop

Key Points

Discussion

Implication

Cite This Study

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