[OGD] Carbon Dioxide Revisited

2004-06-13 Thread Charles E. Bracker
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 diffe

[OGD] Carbon Dioxide Revisited

2004-06-08 Thread Charles E. Bracker
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 oscillat