A bigger yield by increasing light hours?

[jmccarter]

ok, so recently ive been researching and came across something i found interesting. I guess in the last two week of flowering, if you increase your light hours from 12-12 to say 14-10 or anything in between you will get a bigger yeild. I was wondering if anyone else heard of this or tried it.

[Zero Hero]

I think it could be possible but wouldn't stressing them just before you crop throw the flavour off?

[asik]

i heard 13-11 is possible with some strains any farther than that from 12-12 you will send your plant back to veg.

[jmccarter]

has anyone actually tried this method?

[venumus]

i wanna try 24/12. 24 hours of light fallowed by 12 hours of dark.

[Coagsy]

Originally Posted by venumus

i wanna try 24/12. 24 hours of light fallowed by 12 hours of dark.

Yes mate thats the way to do it not just 13 or 14 hours got to be 24/12 to get best results

[ganjaganja]

i dont know about this guys, definetly do sum serious research before putting your plants through such an abnormal light cycle,,,the whole idea is to "simulate" the sun ya know, and I have never heard of a 24/12 light cycle anywhere in the world....

[jmccarter]

24/12 huh? so for anyone who has tried this method or any other besides 12-12 please let us know how it went, did you see a significantly bigger yield? and for those that responded did you wait till the last 2 weeks of flowering? I hope this really works, sounds sweeeeet.

[venumus]

Originally Posted by ganjaganja

i dont know about this guys, definetly do sum serious research before putting your plants through such an abnormal light cycle,,,the whole idea is to "simulate" the sun ya know, and I have never heard of a 24/12 light cycle anywhere in the world....

the only places in the world thats 24 hours of light is the arctic and i cant imagine the ground is that suitable for cannabis there. but who knows. plus aslong as its not getting any more than 12 hours of dark it sohouldnt be so bad.

plus i dont know anyplace in the wild where icannabis is grown hydroponiclly in the wild either...hahah

[DrBudGreengenes]

Originally Posted by venumus

i wanna try 24/12. 24 hours of light fallowed by 12 hours of dark.

Been there done that it requires the use of a very expensive Digital timer(Somebody else was payin the bill)...and you will need to adjust your life to take care of them
lights on time is always different...it's a PITA.

The budz were larger and took MUCH longer.

On a side note a SOG runnin right next to it put out more budz than the 24/12 in the same amount of time...and was much EZ er to take care of

The most cost effective way to grow is a SOG with 10 hours 45 min. of light 13 hours 15 min dark and lights OFF one day per week.
That will give you the most Grams of bud/light hours

[420Grower420]

Originally Posted by DrBudGreengenes

Been there done that it requires the use of a very expensive Digital timer(Somebody else was payin the bill)...and you will need to adjust your life to take care of them
lights on time is always different...it's a PITA.

The budz were larger and took MUCH longer.

On a side note a SOG runnin right next to it put out more budz than the 24/12 in the same amount of time...and was much EZ er to take care of

The most cost effective way to grow is a SOG with 10 hours 45 min. of light 13 hours 15 min dark and lights OFF one day per week.
That will give you the most Grams of bud/light hours

You have gotten the best results from that last part??? Please explain how you discovered this : )

[s3r4ph]

ive heard that turning the lights off completely during the last 2 weeks of flowering makes the plant produce lots of thc to help protect the plant as a way of giving its last all to the plant. sounds reasonable i guess

[DrBudGreengenes]

Originally Posted by 420Grower420

You have gotten the best results from that last part??? Please explain how you discovered this : )

I designed grow rooms for a living for years...

This set-up uses a 7'x7' reflector for a 1000 watt light sitting over 196 1 gallon pots on a 7'x7' table with a clone in each they were veged for 5 days at 24/7 then we flipped the timer and 8 weeks later you harvest just over 3Lbs from a 1000 HPS...its all about "Playing the #'s game"
its only 7 grams per plant...
but its also 3lbs from a 1000 watt light

[jmccarter]

Originally Posted by DrBudGreengenes

Been there done that it requires the use of a very expensive Digital timer(Somebody else was payin the bill)...and you will need to adjust your life to take care of them
lights on time is always different...it's a PITA.

The budz were larger and took MUCH longer.

On a side note a SOG runnin right next to it put out more budz than the 24/12 in the same amount of time...and was much EZ er to take care of

The most cost effective way to grow is a SOG with 10 hours 45 min. of light 13 hours 15 min dark and lights OFF one day per week.
That will give you the most Grams of bud/light hours

thanks for your info i find this subject very interesting, but i noticed you compared the 24-12 plants to your sog, i want to know how they compare to the same plants under 12-12, is their a significant difference in the yield? and if so i need a bit more clarification on the light schedule, do you flip to 24-12 the last two weeks only?

[DrBudGreengenes]

OK lets see if I can explain this ....
First of all they were both SOG.....90% of the rooms I helped with were for turnin' #'s and SOG is the way to do that
Flowering MJ tells time in dark hours an 8 week strain needs 720 hours of darkness to finish its flower cycle at 12/12
at 24/12 the same strain will take 12 weeks to finish and will be larger but will not be 1/3 larger than her sisters grow at 12/12.
The 12/12 table was 1/2 done with its second cycle when the 24/12 were just finishing