Plant husbandry – Greenhouse – apparatus or method
Patent
1983-06-06
1985-05-07
Hafer, Robert A.
Plant husbandry
Greenhouse, apparatus or method
47 18, A01G 1300
Patent
active
045149291
ABSTRACT:
A cell comprising one or more stands in which crop containers are arranged in a plurality of layers one above the other and light sources are arranged between the containers, whereby between a light source (or light sources) and a container located above said light source(s) there is arranged a plate of insulating material, at least the side of the plate facing light source(s) being reflecting.
REFERENCES:
patent: 3314192 (1967-04-01), Park
patent: 3664063 (1972-05-01), Ware
patent: 4226908 (1980-10-01), Yoshino et al.
patent: 4244145 (1981-01-01), Polacsek
patent: 4258501 (1981-03-01), Brown
patent: 4292762 (1981-10-01), Fogg et al.
Hafer Robert A.
Lewis Bradley M.
Schulte & Lestraden B.V.
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