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Increase Plant
Growth Up to 150%. Protect your young vines and accelerate growth. Shelters
provide protection from animals, chemical sprays, and weed trimmers. Field
studies of vine shelters have shown increased growth rates of 100-150%.
This patented two-part grow tube has an outer plastic sleeve which encircles
a transparent blue-tinted polyester film. This film admits up to 50% more
photo synthetically active radiation (PAR) which is the part of the light
spectrum that is most used by plants. At the end of the season (shelters
should be removed a few weeks before the first frost), the outer plastic
sleeve can be easily cut away and discarded while the inner plastic can
be stored flat and new outer sleeves purchased for reuse. When installing,
push a little dirt up around the bottom to close off air flow. Economical,
long lasting and durable. Designed so they cannot blow apart. Priced individually.
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