Plant husbandry – Water culture – apparatus or method – Porous support
Patent
1978-07-28
1979-11-27
Bagwill, Robert E.
Plant husbandry
Water culture, apparatus or method
Porous support
A01G 700
Patent
active
041753550
ABSTRACT:
A rooting media in the form of a resilient, integral body of spongy open-celled hydrophilic polymer forming a first essentially continuous phase extending throughout the body and having passages therethrough forming a second essentially continuous phase extending throughout the body, a quantity of particles of soil mixture distributed throughout the body of spongy polymer and held thereby with a substantial portion of the surface area of the particles of soil mixture exposed and in communication with the passages, the exposed particles of soil mixture providing colloidal contact exchange surfaces in communication with the passages and having collectively a porosity maintenance capacity and a water holding capacity and an ion exchange capacity and a pH buffering capacity; also disclosed is a method of making such a body of rooting media, as well as a release agent useful in that method; there further is disclosed a particular form of rooting media for use in propagation by air layering and a method of propagation by air layering.
REFERENCES:
patent: 2786306 (1957-03-01), Eaton et al.
patent: 2939248 (1960-06-01), Beck
patent: 3052062 (1962-09-01), Boyle
patent: 3110128 (1963-11-01), Collins
patent: 3973355 (1976-08-01), McKenzie
patent: 4023308 (1977-05-01), Staby
Bagwill Robert E.
Gravi-Mechanics Co.
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