ttystikk
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- Jan 4, 2011
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..or do a 600 under a thouie. I think @Jalisco Kid is onto something with his suggestion to espalier plants against the walls and run the lights between them and the middle row.
they look a bit light and fluffy . . . which is what i would expect from the 60" centers. i'd reduce that to 48-50" max to improve the quality . . . . or keep the 60" centers and stack two thouies wherever you now have one.
I have been on it for many cycles it works.
TD I'm sorry about the punctuation I use my phone to write things out because I have severe carpal tunnel in my hands and doing all that punctuation on a phone sucks I think you are the first to not understand what I'm saying I do appreciate the advice IMO I think it's not about how much water they drink through there roots but more of maintaining vpd or high humidity for growth sorry not trying to have a pissing match just these are my Theory's and personal experiences
Any more experienced farmers on here who could shed light on this subject
So, since VPD requires a high humidity it makes my mind think that then plants would be highly susceptible to molding and mildew. It's then paramount to have excellent air flow in the grow space?
TD high humidity prevents the plants sensitive leaves from drying out. Plants drying out above root zone is a huge reason plants drink so much. I keep my humidity 60% almost through my whole grow. My humity is high so my plants don't have to drink so much
Ok I understand this theory now and it sounds badass and helps the plant function very efficiently. Although I have another question, if mold is caused by poor ventilation and not high humidity, than the importance of ventilation is to alleviate the grow space of low CO2 levels, air flow, and not drawing water vapor out of the grow space? Correct? How does improper ventilation allow molds form and thrive?
Thanks for the lesson guys!
Two kinds of ventilation are causing you confusion. The ventilation you're referring to is exchanging grow room air with outside air for climate control purposes.
Inside the growroom the grower needs to be sure there is plenty of air movement in all parts of his canopy, using fans and whatnot to eliminate any pockets of air stagnation.
The difference between "ventilation" and "circulation"
This is the first I've hear of the VPD theory. I've just read to keep humidity in a flowering room below 40% which i think helps prevent vulnerability to mildew. But your saying you actually keep your humidity a bit higher so the water vapor will provide H2O for the plant and then keep your ppm high for your roots in order for the plant to get food. Is that correct? If so, that's a super interesting approach and would also enjoy hearing others experiences, insight, and the benefits!
This is a data base where we all can learn from each others experiences. Therefore, Drdre please don't perceive what I'm saying out of context. I'm trying to be helpful and also learn, just like you. I hope we didn't get off on the wrong foot because I'm running a similar square footage and look forward to bouncing ideas off one another.
Kid, can you please elaborate on your points.. I don't know what you mean by sayin "a sys lacking in good flows" or why systems can't be compared to one another.
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