Plant husbandry – Greenhouse – apparatus or method
Patent
1989-05-19
1991-08-13
Murtagh, John E.
Plant husbandry
Greenhouse, apparatus or method
52 63, 52 64, A01G 914
Patent
active
050385178
ABSTRACT:
A greenhouse for providing improved growth and environmental control for growing plants comprising a frame defining a structure having a given length and width forming a bounded, interior region for receiving plants; a flexible cover positionable over the frame for providing a roof enclosure for the structure; an elongate roller substantially extending along the length of the structure secured to a lengthwise edge of the cover; and a power source coupled to the roller for travel therewith operable for rotatably driving the roller about its longitudinal axis to retract or extend the cover relative to the frame.
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