What question did this study set out to answer?

This study aims to evaluate the effects of various irrigation systems on crop yield and water productivity in a multi-cropping system under arid conditions.

July 12, 2026AgronomyOpen Access

Irrigation Regime Effects on Multi-Crop Water Productivity in the US Southwest

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Authors

SASaid AttalahUniversity of Arizona EEElsayed Ahmed ElsadekDamietta University CWClinton F. WilliamsU.S. Arid Land Agricultural Research Center

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Implication

Randomized trial evaluates irrigation effects on crop yield and water productivity in arid multi-cropping systems, indicating customized strategies are essential.

Key Points

This study aims to evaluate the effects of various irrigation systems on crop yield and water productivity in a multi-cropping system under arid conditions.
Field experiments compared flood and subsurface drip irrigation systems at two evapotranspiration replacement levels (100% and 80%).
Four treatments were established: F100, F80, SDI100, and SDI80.
Seasonal total water applied, crop yield, and water productivity were measured.
Cantaloupe yield was highest under flood irrigation at 63.8 t ha−1, with decreases under deficit and SDI treatments.
Broccoli showed water productivity improvements under SDI, ranging from 3.9 kg m−3 (F100) to 6.3 kg m−3 (SDI80).
Silage corn water productivity increased from 8.7 to 12.8 kg m−3 when switching from flood irrigation to SDI.

Cite This Study

Attalah et al. (2026) studied this question.

synapsesocial.com/papers/6a5330a44f7abc118aded487 https://doi.org/10.3390/agronomy16141324

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Implication

Randomized trial evaluates irrigation effects on crop yield and water productivity in arid multi-cropping systems, indicating customized strategies are essential.

Irrigation Regime Effects on Multi-Crop Water Productivity in the US Southwest

Discussion

Member takes

Implication

Key Points

Cite This Study

Irrigation Regime Effects on Multi-Crop Water Productivity in the US Southwest

Discussion

Member takes

Implication

Key Points

Cite This Study

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