LAMPS: Colored, as Heat Source At Night for Plastic-enclosed Area Outside

Orchid Doctor

by Robert M. [Bert] Hamilton (Compiler)

Originally published in The Orchid Doctor in 1980 and 1988

Posted by Sys Admin almost 8 years ago.

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All efficient lamps by their heat emission affect the photoperiodicity of plants; use electric heaters instead. A71-153
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LAMPS: Gro-lux Their effect on the growth of seedlings was superior under controlled conditions to the growth under greenhouse conditions. A64-948Their effectiveness = the Sylvania company has published information; orchids can be grown satisfactorily under them when proper daylength and temperature are provided; tests have failed to show the superiority of Gro-Lux over a combination of Cool White or Daylight, with supplementary incandescent. A63-836 0

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