Plant husbandry – Cover – shade – or screen – Open top
Patent
1986-02-20
1987-11-17
Hafer, Robert A.
Plant husbandry
Cover, shade, or screen
Open top
53576, 383 37, A01G 1310
Patent
active
047064110
ABSTRACT:
An arrangement for providing a plant with a guard which has the form of a net, foil or the like and which is effective against insect attack, the arrangement including an applicator which has a plant through-passage (3) and which is arranged to carry a plurality of hose-like plant guards (17) which surround the aforementioned passage and which are provided with means (19) for stripping the plant guards from the applicator when a plant moved through the passage is caused to pass out from the applicator. A plant guard (17) included in the arrangement comprises a first portion (21), arranged to surround at least the lower part of the plant above the ground, and a second portion (25) intended to surround the plant in the ground. The first guard portion is capable of decomposing in an atmospheric environment within the space of a few years, while the second guard portion is capable of decomposing in the soil environment in a much shorter space of time.
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U.S. Pat. No. 3,747,293, issued Jul. 1973.
DeMille Danton
Hafer Robert A.
Ljungman Nils H.
Strumpfabriken Vinetta Aktiebolag
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