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Project: Optimizing Management of Subsurface Drip Irrigation in Alfalfa under full and deficit Irrigation Practices to Improve Water Use Efficiency

Description: This research project quantifies the effects of the subsurface drip irrigation (SDI) technology and deficit irrigation strategies in alfalfa production and assesses the viability of SDI and deficit irrigation strategies for alfalfa in California. SDI and deficit irrigation management options and dripline design parameters will be evaluated for water and energy savings and alfalfa yield in controlled field plot studies. Alfalfa growth simulation models will be used to determine long-term viability of deficit irrigation strategies and seasonal and regional patterns in alfalfa water use efficiency. Case-studies of SDI alfalfa fields surveyed throughout California will be used to determine the feasibility of adoption of selected SDI strategies in actual farming conditions.

Reference Number: 3860-P01-131

Implemented By: University of California Davis


Type: Water Management, Research/Planning (including Science)

Total Cost: $601,462.00

Project Status: Project Implementation

On Time?: Yes    Within Scope?: Yes    Within Budget?: Yes

Estimated Completion: 6/30/2021    Actual Completion:

Associated Counties: Statewide

Project Benefits a Disadvantaged Community (or SDAC): No

Contribution SourcesContribution DateContribution Amount
Local Contribution1/25/2017$301,462.00
Prop. 1, Water Conservation and Water Use Efficiency Plans, Projects, and Programs1/25/2017$300,000.00

Project MetricMetric TopicQuantityUnit
Water ManagementWater Use Efficiency - Conservation  
Research/Planning (including Science)Other  

Water Action Plan Target

Make Conservation a California Way of LifeAction Description


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