Air-root-pruning container
US4510712A · kind A · utility
52Cited by
2References
9Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 17, 1982 |
| Grant date | Apr 16, 1985 |
| Priority date | — |
| Expiry date | May 17, 2002 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA01G9/021
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A vertical air-root-pruning container involving a series of vertical air gaps displaced around the sidewall of a container. The air gaps are alternately displaced outwardly or inwardly to air-prune spiral root growth in both the right and left directions or are equipped with deflecting means to make the pruning effect bidirectional. 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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.