Good Pressure Chamber Field Measurement Technique
Consistent technique helps improve the accuracy of stem water potential (SWP) measurements. Keep reading for tips on bagging, measuring, and properly determining the SWP endpoint. Continue reading
Search Results for: Pressure Chamber
Purchasing a Pressure Chamber and Preparing to Monitor
Continue to brush up on your pressure chamber technique with tips on selecting leaves for SWP measurement, weather conditions, and other FAQs. Continue reading
Using a Pressure Chamber is Worthwhile
Visual cues of crop stress are among the most basic observations that can be used to manage irrigation in orchard crops. However, these cues can be somewhat subjective and are often expressed after plant stress is higher than desired. Measuring midday stem water potential (SWP) using a pressure chamber is a quantitative method for evaluating plant water status. Continue reading
Walnut Tree Training & Pressure Chamber Workshop
Tuesday, July 10, 2018. Early Walnut Tree Training: Discuss early handling and training practices for different nursery products & Hands-on Pressure Chamber Workshop: Discuss using the plant-based pressure chamber for irrigation timing. Continue reading
Using a Pressure Chamber to Manage Irrigation
The University of California Cooperative Extension invites fruit and nut crop producers to participate in a free training opportunity. This workshop will offer classroom teaching and field experience. Attendees will have an opportunity to learn to use a pressure chamber on different nut and fruit crops, work with different types of pressure chambers and learn about a new app that speeds up the monitoring process. Continue reading
Glenn County Walnut Field Day 2022
Join Glenn County Walnut Field Day on June 09, 2022, from 8:30-11:30 AM. Growth and Yield Performance of Clonal ‘Paradox’ Walnut Rootstocks plus Hands-on Workshop: Using a Pressure Chamber for Irrigation Scheduling. Continue reading
Sutter County Walnut Field Day 2022
Sutter County Walnut Field meeting Tuesday June 07, 2022 8:30 AM- Growth and yield performance of clonal ‘Paradox’ walnut rootstocks plus a hands-on workshop: Using a Pressure Chamber for Irrigation Scheduling.
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Almond Variety Trial & Irrigation Management Demonstration
Join on Thursday, June 23, 2022 for an Irrigation Management demo 8:30-10:30 AM at CSU Chico University Farm. There will be a variety trial tour, pressure chamber demonstration, and new irrigation management technology discussion. Continue reading
Prune Orchard Pre- and Post-Harvest Irrigation Management (2025)
Luke Milliron, UCCE Orchards Advisor, Butte, Glenn, and Tehama Counties Curt Pierce, UCCE Irrigation and Water Resources Advisor, Glenn, Tehama, Colusa, and Shasta Counties Franz Niederholzer, UCCE Farm Advisor; Colusa and Sutter/Yuba Counties Summary: For the best returns and orchard … Continue reading
Hull Split: 2025 Considerations
Luke Milliron, UCCE Farm Advisor, Butte, Glenn and Tehama Counties Franz Niederholzer, UCCE Farm Advisor, Colusa and Sutter/Yuba Counties Hull Split: High Stakes The start of hull split is the most critical timing for navel orangeworm and hull rot control. … Continue reading
Maximizing Walnut Quality: Summer 2025
Elizabeth Fichtner, UCCE Farm Advisor, Tulare County Carlos Crisosto, CE Specialist, Postharvest Physiology Bruce Lampinen, CE Specialist, Plant Sciences Luke Milliron, UCCE Farm Advisor Butte, Glenn, Tehama Counties An adaptation by Milliron of an article by Fichtner, Crisosto, and Lampinen … Continue reading
Irrigating Walnut Trees in 2025 – Continuing Research on When to Start
Curt Pierce, UCCE Irrigation and Water Resource Advisor Luke Milliron, UCCE Orchard Systems Advisor With the days only just warming and (at the time of this writing) significant rain still falling in the North Sacramento Valley, few are likely to … Continue reading
Walnut Winter Management UCCE Resources 2025
Jaime Ott, UCCE Tehama, Shasta, Glenn, and Butte Counties With walnut prices modestly up, this is a good time to look at your orchard operation, grade sheets, and pest/disease challenges in the last few years and make a plan for … Continue reading
Small steps boost net grower returns
Almond growers are in a long tunnel of low prices and high costs. With volatile nut prices largely out of grower control, cost management and cost-effective yield improvements offer the best hope of maintaining headway and reaching the light. Continue reading
The Big Three in Prunes
The three most important management decisions dictating fruit size and crop size (and therefore grower returns) are 1) cropload management, 2) irrigation, and 3) nutrient management (especially potassium). Continue reading