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An Automatic Mechanism for Imposing Photoperiods in Greenhouse Research 1
Author(s) -
Coffindaffer B. L.,
Burger O. J.
Publication year - 1958
Publication title -
agronomy journal
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.752
H-Index - 131
eISSN - 1435-0645
pISSN - 0002-1962
DOI - 10.2134/agronj1958.00021962005000050016x
Subject(s) - greenhouse , canopy , mechanism (biology) , work (physics) , environmental science , agricultural engineering , agronomy , biology , engineering , ecology , physics , mechanical engineering , quantum mechanics
Synopsis An automatically controlled canopy for regulating light and dark periods in greenhouse work was designed, installed, and operated successfully. This system effectively provided three photoperiods on the same bench covering a total area 5 by 30 feet in size.