Evaluating Vine Stress in the Vineyard

“Every week we measure shoot lengths because you want to know how rapidly the grape vines are growing. You want to know when the growth starts to slow down. And you want to know when they come under water stress to make the decision on when to start irrigating. If you feel the sun leaves in the heat of the day and they feel cool to the touch, the vineyard is actively using water and cooling itself. If these leaves feel warm to the touch in the sun, that’s a moderate stress level and that’s exactly what we want to accomplish…” – Bryan Rahn, Coastal Viticultural Consultants

Watch the video on YouTube.

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