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Old 08-06-2020, 06:03 AM #1
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Same day and night parameters an issue?

What would be the negative effects if all environmental parameters were the same during day and night cycles?


Temps, humidity, Co2 etc all at the same levels....
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Old 08-06-2020, 06:53 AM #2
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nighttime temps are always lower
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Old 08-06-2020, 07:13 AM #3
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Quote:
Originally Posted by Switcher56 View Post
nighttime temps are always lower

Yes, I know. I'm asking what negative issues will there be if they remain the same, no differential.
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Old 08-06-2020, 07:39 AM #4
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Sorry for an indirect response but:

Search 'Greenhouse DIF' or 'Greenhouse zero DIF'

To answer your Q in a nutshell; suboptimal growth. Not catastrophic, not markedly so, just not optimal.

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Old 08-29-2020, 11:02 AM #5
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Quote:
Originally Posted by JKD View Post
Sorry for an indirect response but:

Search 'Greenhouse DIF' or 'Greenhouse zero DIF'

To answer your Q in a nutshell; suboptimal growth. Not catastrophic, not markedly so, just not optimal.

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Why spread false info? Stem elongation is generally reduced when day/light time temps are closer to equal or less than night. Temperature manipulation can be quite beneficial.
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Old 11-14-2020, 06:06 PM #6
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Quote:
Originally Posted by Azeotrope View Post
Why spread false info? Stem elongation is generally reduced when day/light time temps are closer to equal or less than night. Temperature manipulation can be quite beneficial.

?

The OP asked about negative effects, not benefits. The potential negative effect is that optimal plant growth occurs when there is a +ve DIF, therefore creating either a -ve or a zero DIF will mean growth is sub-optimal. Not catastrophic, not markedly so, just not optimal.

Last edited by JKD; 11-14-2020 at 11:01 PM..
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Old 11-24-2020, 12:48 AM #7
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Until this year, my garden ran at night. Dark during the day. Couldn't work at night as well, anymore, so we switched. Other than having more time to manage the plants, I don't notice a difference in the grow. YMMV

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Old 11-26-2020, 12:13 PM #8
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Cool opinion

Where I live it gets hot and one can't grow indoors unless its Fall or Winter. Even in the Fall, the indoor garden has to be grown at night. Many times the day and night temps were out of sequence. Also the daily wet to dry atmosphere (dewpoint) and relative humidity were out of sequence. There's nothing I could do about it, without costing more than what it was worth in the long run. I can truly say the negative results from the night gardens in the past were more resin and more potent buds than commonly grown plants. They're more work but worth the trouble.
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Old 11-26-2020, 05:55 PM #9
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I've always run my rooms with very little delta between day and night for temp and humidity. Never had any issues, but I can't speak to whether or not there's a detriment as I've not done any side by sides. I can't really change anything as my arduinos aren't currently programmed with a clock so it's all the same. Some day I might just reprogram them for more functionality and see what comes of it.
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