Stress levels, crop tables and information

Wine Grapes

Are you just starting using a Pressure Chamber (Bomb) with Wine Grapes? - Click here!
PMS Instrument Company Picture tutorial of measuring mid-day Leaf Water Potential in wine grapes.
PMS Instrument Company Video tutorial of measuring mid-day Leaf Water Potential in wine grapes. (YouTube.com)
University of California - Integrated Viticulture Online. This site is excellent for a comprehensive look at wine grapes. Click here for information about irrigation. Brownse the entire site as there are lots of excellent resources!
Winegrape Irrigation Scheduling Using Deficit Irrgation Techniques - Terry Prichard. LAWR- Univ of California- Davis.
Deficit Irrigation Scheduling for Quality Winegrapes. This is a pdf presentation by Terry Prichard, UCCE Extension agent. This is worth downloading!
University of California - LAWR. Wine Grape Publication Page. **Highly recommended reading ** This is an excellent site for premium wine grape information.
Irrigation of Winegrapes in California- Practical Winery & Vineyard, Nov/Dec 2001, Larry E. Williams, University of California - Davis.
Measuring Winegrape Water Status using a Pressure Chamber. Kay Bogart, Consulting Winemaker/ Vineyard Enologist. Click here to download the Excel Spreadsheet for calculating Crop Coefficient.

Almond Trees

Almonds - Regulated deficit irrigation reduces water use of almonds without affecting yield. California Agriculture 65(2):90-95. DOI: 10.3733/ca.v065n02p90. April-June 2011. William Stewart, Allan Fulton, William H. Krueger, Bruce D. Lampinen, Ken A. Shackel.
Almonds - Hull Rot Management on Almonds, Brent Holtz, University of California Pomology Advisor. The Pomology Post, Volume 54, June 2007
Almonds - Tips for using Pressure Chamber and Midday Stem Water Potential (SWP) Measurements in Orchard Crops. UCCE contributors: Allan Fulton, Richard Buchner, Joe Grant, Terry Prichard, Bruce Lampinen, Larry Schwankl, Ken Shackel. Values of fully irrigated Almond and Prune.
Almonds - Too much water at almond hull split can be costly for a long time. - Harry Cline, Western Farm Press, July 10, 2007.
Almonds - UC Drought Management - ANR - Summary of University of California research on irrigation management for almond trees under drought conditions
Almonds - Irrigation Management for Almond Trees under Drought Conditions - Terry L. Prichard, Water Management Specialist, University of California - Davis
Almonds - Simplified tree water status measurements can aid Almond irrigation - David A. Goldhammer & Elias Fereres. California Agriculture Vol 55 No. 3 32-37. (May-June 2001)
Almonds - Can almond trees directly dictate their irrigation needs? David A. Goldhammer, Elias Fereres & Mario Salinas. California Agriculture Vol 57 No. 4 138-143. (Oct-Dec 2003)

Walnuts - UC Drought Management on Walnut
Walnuts - Tips for using Pressure Chamber and Midday Stem Water Potential (SWP) Measurements in Orchard Crops. UCCE contributors: Allan Fulton, Richard Buchner, Joe Grant, Terry Prichard, Bruce Lampinen, Larry Schwankl, Ken Shackel. Values of fully irrigated Walnut.
Walnuts - Using plant based measurements to refine irrigation scheduling in Walnut., Bruce Lampinen (Dept of Pomology, UC Davis)
Walnuts - University of California Fruit and Nut Research Center - Walnut Research Reports. This is a wealth of information on walnuts!

Stone Fruit - Peaches, Nectarines and Prunes

UC Drought Management - Stone Fruit
Peaches - Peach trees perform similarly despite different irrigation scheduling methods. David A. Goldhammer, Mario Salinas, Merce Soler Anaya, Alfonso Moriana Elvira. California Agriculture Vol. 55 No. 1 25-29 (Jan-Feb 2001)
Prunes - Tables for Prune Trees (Stem Water Potential) developed at U.C. Davis by Ken Shackel

Apples - Responses of apple fruit size to tree water status and crop load. A. Naor, S. Naschitz, M. Peres and Y. Gal. Tree Physiology 28, 1255-1261

Pistachio - Water use requirements and Physiological Response to Water Stress in Pistacho. D.A. Goldhamer, R. Beede, J.M. Moore, G. Weinberger and J. Menezes, Jr.
Pistachio - UC Drought Management

Cotton

Bomb Your Cotton For Maximum Profit! - University of California Coop Ext. - Blake Sanden
Cotton Production Manual - Thirty-one UC experts share the innovative technologies that make California one of the most productive cotton regions in the world! Complete section on irrigation management using a Pressure Chamber.

Other Crops

Other Trees

Research Links

UC Fruit & Nut Research and Information Center - University of California, Davis. This is very comprehensive site for all types of fruit & nut trees.
Understanding the Pressure Bomb - This is an excellent report from New Mexico State University on pressure bombing, uses etc. Written by: Mario Valenzuela-Vazquez, Artemio Escobedo-Mendoza, Jose Luis Almanza-Sandoval and Asunción Ríos-Torres
The Pressure Chamber a.k.a. "The Bomb". Ken Shackel, University of Davis, Pomology Department.
How does a Pressure Chamber work? - Ken Shackel, Univeristy of Davis (Youtube Video) - "The Pine and the Pressure Chamber"

Irrigation Links