In This Issue

LEDs Extend Greenhouse
Season Safely


Plants, Light, and LEDs
Part 2











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    LEDs Extend Greenhouse Season Safely
           LED grow lights target colors of light that plants rely on for growth and
    health. Using LEDs in place of traditional lighting can reduce water use and
    often conserve up to 90% of electrical costs.  This number does not include
    the energy savings obtained  by reducing your cooling costs in the summer
    months.   Saving energy while increasing greenhouse yield as much as
    40%.  Include these factors with the long lifetime of the LGM5™ led grow
    lights and it equates to saving some of your hard earned money.
                   Each LGM5™ bar draws less than 9 watts of power.  And will light
    any greenhouse for as little as 10 watts per M².  When used over planting
    beds the LGM5™ is mounted side-by-side or end-to-end using  the
    SunMount™ or LEDstick™..  The LGM5™ bars have a DC plug on each
    end  allowing up to 4 bars to be run in series.  When operated on 240vac,  
    the cost of operation drops about 40% over the same setup running on
    120vac.  The LGM brand is designed for solar and wind powered systems
    but can plug right in to any standard outlet without the need for a ballast.
           A typical HID lamp uses the majority of its energy creating heat that
    must then be ventilated from the growing area. Temperatures at the bulb's
    surface are around 1500 degrees F.. Because of this heat- traditional grow
    lighting requires a large amount of space between the plants and the light
    source as well as precautions to avoid shock/fire/and burn risks that are
    associated with high voltage devices.  LGM light bars operate at less than
    15 degrees above ambient temperatures. LGM5™ are designed to operate
    in greenhouse environments with very little fire or shock risks.  This
    intelligent design opens up new methods to improve yield in a given area.
    For example, with the bulb-heat issue solved, greenhouses and indoor
    gardeners have the option of multi-tiered planting beds. Both planting beds
    and lighting can be built into movable frames with  simple hanging systems.
    Three or more vertical layers will exist where once there was only one. This
    would effectively triple biomass production in a given area and is only one of
    the doors opened by LGM5™. --AL
                           
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    Plants, Light, and LEDs   Part 2
       Light provides the energy plants use to live and grow.  They have a
    unique ability to catch light and store its energy in chemicals like sugar and
    starch, which are then used to power the plant's cells.  The light energy
    stored in plants not only allows the plants to grow , but also supplies the
    energy needed by every other living organism on earth, either directly (if you
    eat plants) or indirectly  (if you eat something that ate plants).  If it wasn't for
    plants we wouldn't be here.
       But how do plants catch light?  To catch light plants use special chemicals
    called pigments, which are nothing more than substances that catch light.  
    Pigments are all around us, and are the reason that every object has a
    particular color.  And there are pigments in our eyes that allow us to see
    these colors, too.  Everyone is familiar with the idea of adding pigments to
    paint to create different paint colors.  So how does something that captures
    light make your paint look blue? When you add a blue pigment to paint,
    you're really adding a chemical that catches all the other colors of light
    except blue.  So the blue light bounces off of the paint, making it look blue to
    us.
       Plant pigments do the same thing.  The best known plant pigment is
    chlorophyll, the pigment used in photosynthesis, the process that catches
    light energy and stores it in sugar and starch.  Chlorophyll is the pigment
    that makes plants look green.  Why?  Because chlorophyll is very good at
    catching red and blue light, but terrible at catching green light.  The green
    light bounces off the plant's leaves, making them look green to us.
       There are other pigments in plants that catch light and use it to regulate
    plant growth.  While the plant's chlorophyll is busy catching as much energy
    as possible from the light, the other pigments are figuring out things like
    whether the plant should grow short and compact or tall and spindly, or
    whether it's time to make flowers.  Just like the pigments in our eyes give us
    a picture of the world, plant pigments tell them about their environment and
    allow them to adapt to it.
    --CEO SolarOasis
   

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May 1, 2008             Volume 3,  Issue 5
LED grow lights in the greenhouse
LED Grow Lights in the Greenhouse