Method and device for protecting plants from freeze damage

Details Method and device for protecting plants from freeze damage Method and device for protecting plants from freeze damage

1985-01-14

1987-03-24

Hafer, Robert A.

Plant husbandry

Frost preventing

A01G 1300

Patent

active

046514651

ABSTRACT:
A device and method for protecting plants, especially citrus trees, from damage resulting from freezing temperatures. A heat conducting device, which derives its heat from circulating water, is placed adjacent a tree trunk. The heat conducting device and the tree trunk are placed within a thermal barrier and the top of the thermal barrier is sealed around the tree trunk to define an air space thereabout. Water is circulated through the heat conducting device and heat is supplied to the air space. Water leaving the heat conducting device may be poured onto the ground or sprayed over the tree to provide additional protection to the plants during a freeze.

REFERENCES:
patent: 464879 (1891-12-01), Knapp
patent: 1442367 (1923-01-01), Stevens
patent: 1846395 (1932-02-01), Huffaker
patent: 2006562 (1935-07-01), Scheu
patent: 3218759 (1965-11-01), Barrons
patent: 3226881 (1966-01-01), Garrett
patent: 3270461 (1966-09-01), Fowler
patent: 3890740 (1975-06-01), Miller
patent: 4495723 (1985-01-01), Wasserman

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