Grower Education

Articles of interest primarily to growers and vineyard managers, but also to winegrape buyers and other winery professionals.

Current Developments in Vineyard Mechanization & Precision Management

On April 22, the UC Davis Department of Viticulture & Enology will present its first V&E Extension program focused on the most current research in various vineyard mechanization and precision management systems. The program, Current Developments in Vineyard Mechanization & Precision Management, will take place Friday, April 22, 9 a.m. – 4 p.m., at the […]

Vineyard Technology: Well Sounding

A depth well sounder is used to measure the height of water in a well, explains Randy Krag of Beckstoffer Vineyards” “In order to manage our water resources, we have to know if the water table is changing. We have to know if we’re pumping sustainably. Of course it’s going to change with seasons, from […]

Vineyard Technology: Erosion Control

Randy Krag (Beckstoffer Vineyards) discusses some of the techniques used to prevent soil erosion, which he says is essential in protection of rivers, waterways, lakes, of habitat of fish and wildlife: “Soil is the foundation of how we produce quality winegrapes, so we want to protect the resource that’s out here. This is the heart […]

Vineyard Management: Site Selection

“One of the things that makes Lake County soils special is the diversity. We have fairly young soils in the valley floors, we have some very ancient soils in other areas, and we have some very recent volcanic soils up on the red hills. That diversity and our ability to put the right grapes onto […]

Vineyard Technology: Drip Irrigation

Randy Krag from Beckstoffer Vineyards explains how drip irrigation “provides a precise and uniform amount of water, exactly the amount of water that we think the vine needs in a particular period.” He says that vineyard owners used to water vines “a whole lot more than we do now.” However, he says, “it turns out […]

Vineyard Technology: Evapotranspiration

Jeff Lyon, a Lake County vineyard owner, explains that “evapotranspiration” was originally measured by placing a large pan of water in a field and then every day measuring the evaporation from the pan. He says that in the modern viticultural era evapotranspiration, or ET, is calculated based on measurable data such as relative, wind, temperature, […]

Measuring Vineyard Water Status with a Probe

Bryan Rahn, from Coastal Viticultural Consultants explains the use of an instrument to measure vineyard water status. It’s the most accurate tool used for soil moisture, says Rahn, calling it “the gold standard for soil moisture measurement.” However, the tool does have limitations, which Rahn explains. Watch the video on YouTube.

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