Plant husbandry – Cover – shade – or screen – Lath or slat type
Patent
1990-06-04
1991-11-19
Raduazo, Henry E.
Plant husbandry
Cover, shade, or screen
Lath or slat type
47 32, 428 37, A01G 1700
Patent
active
050655434
ABSTRACT:
A tree guard mat is made from flexible fiber ropes or fibrous strips arranged in concentric rings to form a mat. For installation around a tree, a selected number of inner rings may be removed until a central hole is equal in diameter to the diameter of the tree. In one embodiment, the ends of the concentric rings are joined along a separation radius so that a gap may be created through which the mat can be installed around a tree trunk. The mat is water and gas permeable, and will suppress plant growth around the base of the tree so that trimming is unnecessary.
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patent: 4395845 (1983-08-01), Markowitz
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patent: 4858378 (1989-08-01), Helmy
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