Quote:
Originally Posted by brassmonkey
you want the whole system fertilizer and all?
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Yep. I am mostly curious about the lay out of it. Now I am checking this:
There are pictures of bigger greenhouses with lettuces, I am wondering why don't they have more than one level to double the production. Surely there would be enough of light for the bottom level. And some of them are supposedly growing commercially. Why not double the output by having 2 levels in the greenhouse?