Substrate for out-of-ground cultivation and method for the produ

Details Substrate for out-of-ground cultivation and method for the produ Substrate for out-of-ground cultivation and method for the produ

1990-03-15

1992-02-11

Bell, James J.

Plant husbandry

Water culture, apparatus or method

Porous support

47 58, 47 87, A01G 3100

Patent

active

050865854

ABSTRACT:
A substrate for out-of-ground cultivation is made of a felt of mineral fibers obtained by continuous longitudinal compression, at a rate between 1.5 and 15, of a sheet of mineral fibers in which the fibers are arranged in layers or strata parallel to the upper and lower faces of this sheet. The compression takes place before the heat treatment of the sheet for setting the binder.

REFERENCES:
patent: 4058931 (1977-11-01), Vestergaard
patent: 4777763 (1988-10-01), Shannon et al.
patent: 4826722 (1989-05-01), Debouzie et al.
patent: 4879172 (1989-11-01), Meunier
patent: 5009030 (1991-04-01), Kafka et al.

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