Root-pruning container

Details Root-pruning container Root-pruning container

1983-04-20

1984-04-17

Hafer, Robert A.

Plant husbandry

Receptacle for growing medium

Method of using a plant receptacle

47 73, A01G 3100

Patent

active

044426283

ABSTRACT:
A root-pruning container involving a series of vertical pyramid like staircase stepped surfaces essentially parallel to the sidewall of said container and displaced to the inside of said container, wherein the vertical and horizontal surfaces forming the steps between the inner pyramid like surface and the outer container sidewall are intentionally sloped behind said pyramidal surface such as to form an acute angle of intersection with the container's sidewall. Because of the acute angle of the step, the root tips of a growing plant are directed into and trapped at the toe position of each individual step resulting in termination of the root growth (root-pruning). Such a container inhibits spiral growth, promotes root branching and results in more even root distribution as well as increased root growth in the growing medium.

REFERENCES:
patent: 3339310 (1967-09-01), Solomon
patent: 3800469 (1974-04-01), Lau, Jr. et al.
patent: 4057931 (1977-11-01), Stutelberg et al.

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