See under Geneva Double Curtain.
An educational system developed in the early 1960s by US viticulturalist Dr. Nelson Shaulis (1913-2000) at Cornell University (Geneva, New York State) Double Curtain Education). It belongs to the group of cordon education systems. It was originally created specifically for the Concord grape variety to enable mechanical harvesting. The vines are pulled onto a high T-shaped framework (also V-shaped). The vine row spacing is about three metres....
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