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Estimation of the Daily Crop Irrigation Requirements under Abu Dhabi Conditions I-Vegetables

Ali Alshrouf, Ihsan Abu-Alrub, Hassan Al Marzouqi

Knowledge of crop water requirements and irrigation scheduling is crucial to improve the irrigation application and irrigation scheduling, since the measurement method for the actual crop water requirements are quite time consuming, the estimation method could be a good alternatives to increase the irrigation efficiency. In this study, the crop water requirements for the open field grown vegetables under Abu Dhabi Emirate conditions is estimated using FAO-modified penman Monteith equation for the main three agro-regions. The results showed the highest crop water requirements are in the AlAin area with average 5-13 mm/day, followed by Al Dhafra and Abu Dhabi. Also the study examines the impact of two scenarios for the climate change on the water resources demand. His study is a useful tool for planning and management of the irrigation water.