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trellises as property used in vineyard development and not as
land improvement.
Although it may not occur often, trellis systems have been
dismantled and components reused in a new location. Trellising
components become damaged, rust and/or wear out and are repaired
and/or replaced throughout the year. The trellising posts,
stakes, wires, etc. are regularly adjusted, tightened, and
replaced to accommodate the training of the vines for maximum
grape-growing performance. Occasionally, trellising may be
removed from a few rows of a block or from an entire block of
vines, and the major components are reused. Grapevines may be
removed from a trellis system without damaging the trellis.
Likewise, a trellis system may be removed without damaging the
grapevines. It is also possible to remove the vines and reuse
the trellising components for the new vines. Vines may be
replaced when they become diseased or if a particular varietal
becomes unprofitable or unpopular.
The primary structural components that affix the trellis to
the earth are the end and in-line posts which are rammed 2 to 3
feet into the ground and stabilized and secured by metal stakes
and/or mechanically screwed-in anchors. The end posts may be
metal or wood, the wooden posts are 8 to 10 feet in length, and
the wood posts may be pressure treated with chemicals to retard
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Last modified: November 10, 2007