understanding different grow lights
“ LIGHT EMITTING
diodes have the capability
of having their spectra
manipulated to efficiently
capture the nuances of the
emitted wavelengths.”
If HID lights are a practical or more economically viable solution in
a certain situation, a combination of both MH and HPS lights may be
advisable if the crops being grown are blooming or fruiting crops as
opposed to foliage crops like edible greens. These can be operated
at the same time or alternated, depending upon the stage of growth;
better results will likely result by using both in tandem. Though HID
bulbs are not interchangeable with one another, conversion lamps
have been available for some time, which allows you to achieve the
spectral output of an MH lamp in an HPS fixture. Also, there are double-
ended MH lamps that have been recently introduced to the market that
can be used as a direct replacement in a compatible HPS fixture.
LEDs
Light emitting diodes have become the grow light of choice for many
professional and hobbyist growers alike. These products can emit
light in wavelengths ranging from 250 nm to more than 1,000 nm. Most
plants require wavelengths of light ranging from the blue section of the
spectrum at about 450 nm to the far-red end of the spectrum at about
730 nm at different times of their development. Light emitting diodes
have the capability of having their spectra manipulated to efficiently
capture the nuances of the emitted wavelengths.
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