Plant husbandry – Tree trunk guard or protector
Patent
1974-02-12
1976-06-08
Bagwill, Robert E.
Plant husbandry
Tree trunk guard or protector
47 3413, 264321, 260 25A, A01G 902
Patent
active
039614450
ABSTRACT:
A plant holder arrangement in which an elastic binding material interconnects a substrate mixture of peat, humus, loam, as well as organic and/or mineral fertilizers. The substrate consists of a mixture of 30 - 70 percent by volume of polyurethane foam flakes with a particle size of 3 - 15 mm.
REFERENCES:
patent: 3513593 (1970-05-01), Beck
patent: 3664062 (1972-05-01), Danielson
patent: 3799755 (1974-03-01), Rack
patent: 3834072 (1974-09-01), Rack
patent: 3835584 (1974-09-01), Shimazu
Bagwill Robert E.
Fogiel Max
Plana-GmbH
LandOfFree
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