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akisunni
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Aki, the heated soil combined with the domes makes a lot of sense. You may have to plan for some air circulation to avoid a stagnate, humid and warm climate build up. Sounds like you have put a lot of thought into the project, I can't wait to see where it goes!
Agree completely (air circulation). I want to add some CO2 Augmentation to the outdoor winter grow dome top assembly next winter. Also, for now I am keeping the domes about 75% closed with 25% open to allow natural wind flow to cycle the CO2 and moisture away from the plants. I am trying 75%, 85% and nearly 100% to see which seems to work best in current conditions. Obviously I will need a few years of doing this to have any level of confidence in any estimated scenario in the future.
One of the things I love about this art we call growing MJ plants is the ability to replicate and estimate average results with same clones. Its rare in natural life to get this ability. We can take an equiv plant and stress it 10 different ways and use control clones for base lining results.
The heated soil, with a closed loop (no wasted water) and a run time measured in minutes per hour during sun light only, begs to be turned into a solar powered one, with battery backup. I personally love the idea of a winter grow zone, full heated by spare sunlight in full winter.
I need to find a 32 gallon container that is clear, they would make the perfect grow dome for next winter. The plants would have 3-4ft they could grow in that was weather protected with a warm rising heat from the ground to the top of the dome approach. Hmm
Aki