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A new mechanical grape pruner, developed at Pacific Northwest National Laboratory, is a productive tool for the agricultural sector.

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Document Title: Grape Pruner
Category: Agricultural Research, Economic Development and Technology Commercialization
Media Type: Photos
Date of Image/Photo: April 1996
Background: The grape pruner was developed by a Pacific Northwest National Laboratory staff member, who started the company Valley Vine Machine Company to market and manufacture the device. The pruner enables Concord grape growers to prune several acres of vines in a single day to increase grape yield. For more information, see
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