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Photosythesis in a cold climate

  1. Jun 17, 2009 #1
    Is there a listing of the mimimum light levels that edible vegetables need to commence
    photosynthesis?
    Is there a listing of such light levels, season by season, worldwide, and specifically for UK?
    Background of question
    Wish to see if plausible to construct, here in UK, Solar Greenhouse, originally designed for
    use by villagers in Ladakh, in the Himalayan Mountains, where the climate in winter is very cold (minus 30 degree C sometimes) but sunny, whereas in UK milder climate but overcast skies in equally long winter. Benefit, no use of fossil fuel, and earlier grown vegetables.

    Full details of Solar Greenhouse see:
    http://india.geres.eu/docs/SGconstruction_light.pdf

    Please advise if you can
    Thank you, Richard Masson
     
  2. jcsd
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