I've yet to see anyone top Tom Hill's methods. To give perspective to his pix, his smart pots are two hundred and three hundred gallons. That's 20-30 1.5 cubic foot bags of soil. A full cubic yard, or more.
A few of my pix...
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If not for LST, this plant would be well over ten feet tall. She started off very strangely, lagging far behind her sisters. Thr three main stalks appear to be three large Christmas trees, growing close together. The center branch is a hair over two inches thick.
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This picture is nearly three weeks old. In late January, about two hundred seedlings appeared in this greenhouse. I removed all but three, hoping for a female in a good location. They were all girls. I kept this one. I FIMed it twice, once it became obvious it was going to get too tall. Over the last two months, I've been supercropping it to widen its canopy. It can't get taller than seven feet but its canopy is over forty square feet. That greenhouse yields between 40-45 grams per sq. ft. This plant might yield over 3 pounds if it does as the earlier plants have.
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These pictures are of my Cage, which amounts to a giant ScrOG. The top is remesh, which use to aid LST creating a solid canopy of around 150 square feet. It works really well, maximizing my space.