Dear OGD Friends:
Re: The different opinions about Carbon Dioxide (CO2) supplementation.
If a number of orchids are grown in a closed environment, will CO2 levels
drop below a level that is optimal for photosynthesis and growth?
We have 1600+ orchids in 4 closed basement rooms, each with a
Dear OGD Friends:
Re: The different opinions and evidence about Carbon Dioxide (CO2)
supplementation. I think the relevant question should be this: If one has
a number of orchids growing in a more or less closed environment, as we do (
basement rooms with ample air movement via multiple
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