Plant husbandry – Frost preventing
Patent
1990-01-25
1991-01-22
Scherbel, David A.
Plant husbandry
Frost preventing
47 25, 47 32, 47 33, A01G 1302
Patent
active
049860259
ABSTRACT:
An apparatus is set forth including a surrounding shield formed with a central aperture positionable about a central stalk or trunk portion of a shrub or tree growth. The apparatus includes four pie-shaped segments that are interlocked relative to one another utilizing lug members receivable within key-shaped openings of adjacent walls of the pie-shaped segments. The segments include a floor formed with a matrix of apertures therethrough. Each pie-shaped segment is defined by a perimeter wall defining a cavity with a pie-shaped container segment of complementary configuration received within a forward portion of the cavity, wherein the container segments are defined by a perimeter wall of a height greater than that defined by the pie-shaped segment walls for receiving additional plants therewithin is surrounding relationship relative to a main plant or alternatively receive fluid fertilizer and the like for treatment of the root system of an associated central plant. Additionally, pie-shaped segment inserts defining an enclosed chamber filled with a mineral oil and the like are positionable within each of the pie-shaped segment cavities for retention of heat during daylight hours and enabling dispensing of the heat during evening hous preventing premature freezing of a root system of an associated plant.
REFERENCES:
patent: 986395 (1911-03-01), King
patent: 2785508 (1957-03-01), Coleman Jr.
patent: 3310910 (1967-03-01), Titus
patent: 4154022 (1979-05-01), Costanzo
patent: 4308688 (1982-01-01), Revane
patent: 4502244 (1985-03-01), Yoham
patent: 4539800 (1985-09-01), Furmaga
patent: 4584789 (1986-04-01), Jean et al.
patent: 4858378 (1989-08-01), Helmy
Gilden Leon
Johnson Jerrold D.
Scherbel David A.
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