Planting flat

Details Planting flat Planting flat

1974-06-13

1976-01-13

Burr, Edgar S.

Plant husbandry

Tree trunk guard or protector

47 37, A01G 902, A01G 910

Patent

active

039316947

ABSTRACT:
A planting flat consisting of a unitary plastic body providing a multiplicity of planting cells having open upper ends adapted to receive growing medium, seeds, water, fertilizer, and the like; closed lower ends defining reservoirs for the retention of residual water and fertilizer accessible to the roots of plants grown in the cells; and aerating openings disposed above the reservoirs serving the combined purposes of supplying air to the growing medium and providing drainage of water and fertilizer in excess of an amount sufficient to fill the reservoirs.

REFERENCES:
patent: 579993 (1897-04-01), Mahler
patent: 2810234 (1957-10-01), Blackburn et al.
patent: 3032927 (1962-05-01), Kobs
patent: 3522058 (1971-01-01), Fici
patent: 3539071 (1970-11-01), Ludder
patent: 3667159 (1972-06-01), Todd
patent: D207174 (1967-03-01), Rowbottam

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