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Sustainable Winegrowing with Vineyard Team


Sustainable Winegrowing with the Vineyard Team brings you the latest in science and research for the wine industry. This on-the-go, sustainable farming educational resource provides in-depth technical information on topics like integrated pest management, fruit quality, water conservation, and nutrient management from experts like Dr. Mark Fuchs of Cornell University, Dr. Michelle Moyer of Washington State University, Cooperative Extension Specialists, veteran growers, and more. Our podcasts will help you make smarter, sustainable vineyard management decisions to increase efficiency, conserve resources, and maximize fruit quality.

Sep 2, 2021

Plant SAP analysis gives farmers insight into how the plant can take up and mobilize nutrients. Traditional tissue testing is usually done at the top of the plant, sampling only the youngest leaves. SAP Analysis is actually a pair of tests, comparing nutrients in young and old leaves to see what is being taken up today and how the nutrients are moved around. Test results compare levels in young and old leaves across 24 different nutrients. One important comparison is Nitrogen efficiency, so the farmer can see how much Nitrogen is actually being taken up by the plant and calculate a cost analysis. Learn more about SAP Analysis and also some fascinating research about the relationship between silica, iron, and aluminum in grapevines.

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