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Irrigation Part 6: The Pressure Chamber and Start of Irrigation in Walnut with Shackel and Fulton

Irrigation Part 6: The Pressure Chamber and Start of Irrigation in Walnut with Shackel and Fulton

Luke Milliron
Research, Irrigation

The pressure chamber is the gold standard for measuring plant water status. Ken Shackel (UC Davis Plant Sciences) discusses why using the pressure chamber can hugely refine your irrigation management. Allan Fulton (UCCE Irrigation Advisor) tells us about research in walnut showing that delaying irrigation with the pressure chamber can save water and may improve root health without sacrificing yield.

We have a series of blog posts on every aspect of pressure chamber use. From setup and purchasing equipment to refined interpretation of readings in almond, walnut, and prune.

sacvalleyorchards.com/manuals/stem-water-potential/

Details of the study on delaying the start of irrigation in walnut with the use of the pressure chamber: sacvalleyorchards.com/walnuts/irrigation-walnuts/pulling-the-trigger-start-of-spring-irrigation/

Thanks to the Pistachio Board of California and Almond Board of California for their generous financial support. Music by Muriel Gordon.

Spider Mite Control in Almonds with David Haviland

Spider Mite Control in Almonds with David Haviland
Irrigation Part 5. Evapotranspiration with Allan Fulton

Irrigation Part 5. Evapotranspiration with Allan Fulton