This publication provides direction on estimating soil moisture by the "feel and appearance" method; taking a some soil and rolling it up in a ball then squeezing it between your thumb and forefinger to form a ribbon and noting how it appears and feels. Compare what you see with photographs and/or charts to estimate percent water available and the inches depleted below field capacity.
This report includes preliminary data for the second of a three-year study. Since this year was a record drought year, results could vary from a normal rainfall year. Finalized data and observations will be released in future as peer-reviewed studies, reports, and extension articles. For more information, please visit the RDFA project page. .
Excessive summer irrigation of oak and madrone trees may promote fungal diseases such as the oak root fungus (aka armillaria root disease) and crown rot.
When winter approaches, it’s time to check your weed control plans. Noxious weeds are best controlled if you track them carefully. Weed mapping and weed calendaring are two activities important to tracking weeds so that you can properly control them. Here are a few tips to get you started.
VIT TECH is an educational series for wine grape growers and wine industry members in the Walla Walla Valley. The group meets regularly to learn from scientists and industry professionals about grape growing topics relevant to the region.
Learn about the High-Resolution Vineyard Nutrition Project from Director, Dr. Markus Keller, Professor of Viticulture at Washington State University. He describes how he became lead of the project and summarizes the challenges of ...