Air-pruning plant growing system

Details Air-pruning plant growing system Air-pruning plant growing system

1994-10-11

1996-04-16

Raduazo, Henry E.

Plant husbandry

Bench or elevated bed, hotbed

47 73, 47 87, A01G 2302

Patent

active

055071163

ABSTRACT:
An air pruning plant growth system comprising an air-pruning tray having a plurality of plant growth cells with upper elliptical openings within an upper plane, lower elliptical openings with diameters larger than the diameters of the upper elliptical openings within a lower plane spaced from and parallel to the upper plane, continuous, upwardly tapering, side walls joining the upper and lower opening, and a continuous, horizontal bottom wall joining the cells; and a support tray having an air permeable floor and upwardly extending tray side walls.

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patent: 78233 (1868-05-01), Poullain
patent: 100300 (1870-03-01), Ludlum
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patent: 3846936 (1974-11-01), Kelley
patent: 4130072 (1978-12-01), Dedolph
patent: 4159597 (1979-07-01), Olsen
patent: 4236350 (1980-12-01), Hasselbach
patent: 4291494 (1981-09-01), Knablein
patent: 4296569 (1981-10-01), Edwards
patent: 5179800 (1993-01-01), Huang

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