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Offlinelothario
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Registered: 02/05/09
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Site Spacing Design and Light Penetration Questions
    #203988 - 03/08/09 04:12 PM (7 years, 9 months ago)

Hey everyone! I was hoping you could help me. The info that I'm looking for is this.

I'm working with a PL 1000w HPS lamp. What I don't know is how deep that light will penetrate into the canopy. I've read 4ft? So does that mean 4ft minus the distance to the lamp? Meaning how tall can I grow my plants before I start to see diminishing returns?  I want to grow them as big as the lamp will penetrate to the lower branches to produce decent buds down there.

I was also planning on implementing an air-cooled housing and a light rail. Planning on a 4ft x 5ft or 4ft x 6ft area? I figure I can get way closer to the tops with more penetration to lower branches. I just don't know the dimensions or my height limitations.I wasn't planning on pruning much with the exception of lower leaves and branches when necessary. Sort of a large sog.

With that said, what I'm really trying to figure out is the spacing of my plant sites relative to eventual plant height and width. I realize plant height and width fluctuate based on strain so I'm just looking for general measurements that would accommodate a variety of strains.

The site spacing will be fixed forever so I want to get it right the first time. :thumbup:





This to me looks like a real good setup that I would like to emulate.


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OfflineTheShroomJew23
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Re: Site Spacing Design and Light Penetration Questions [Re: lothario]
    #203996 - 03/08/09 04:55 PM (7 years, 9 months ago)

You can get 3ft decently, I have under canopy lighting as supp light so my plants can get 4ft, you could probably do the same thing with your idea.


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Offlinelothario
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Registered: 02/05/09
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Re: Site Spacing Design and Light Penetration Questions [Re: TheShroomJew23]
    #204002 - 03/08/09 05:07 PM (7 years, 9 months ago)

I can get 3ft of plant height? Without supp lighting, do you think it's worth it to grow that big? If so, what square footage would I need for a plant that size? I've read about 1 square foot each.


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OfflineTheShroomJew23
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Re: Site Spacing Design and Light Penetration Questions [Re: lothario]
    #204091 - 03/08/09 11:17 PM (7 years, 9 months ago)

If you are doing SOG the rule of thumb is 3ft tall and 4 plants per square foot but I have only been able to do that with strains that create one large main cola.


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InvisibleDr. Penguin
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Registered: 05/19/08
Posts: 1,036
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Re: Site Spacing Design and Light Penetration Questions (moved) [Re: lothario]
    #208311 - 03/24/09 02:41 PM (7 years, 8 months ago)

This thread was moved from Hydroponic & Agroponics.

Reason:
Since this is not so much hydro specific as SOG, I'm moving it to cultivation. You'll get more responses there anyway.


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