I have no idea, it isn't my experiment. There are so many variables that haven't been revealed. I have no idea what was used under the catch all term "soil", what did it contain? Were the plants from seed or cloned? Because if they aren't clones, then the whole outcome is moot. I notice that the plants are in different sized pots, this also makes the outcome moot.
Is the size of the plant even relevant? I have had bigger plants give less yield than smaller ones.
I think the OPs assumption is correct, but I don't think his experiment proves a great deal either.
I have no idea what was used under the catch all term "soil", what did it contain?
Fox farm ocean forest
Were the plants from seed or cloned?
Seeds
I notice that the plants are in different sized pots, this also makes the outcome moot.
This has been covered multiple times in this thread for people with reading comprehension issues. I'm not even correcting people anymore.
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unless i had $200 to blow every month on fert chems im pretty sure soil beats coco. i just wanted to remind everyone of the 'controls' being stated in this 'test'
Growing in soil is exponentially more work than growing in hydro or coco if growing organically. It's unreasonable to compare an outdoor grow with unlimited space to an indoor grow with limited space. My wife grew up with a guy that moved out to oregon 20 years ago and got started in the growing / breeding business. He owns and operates jefferson state seed co. This is a picture of a small portion of his garden:
Near the end of the grow season:
Beginning of the season
He's very good at what he does and he feels the same way you do about synthetic chemicals. He calls them "IV heroin addicted plants." Dude doesn't mince words
I use synthetic fertilizer for convenience and it's required for the water to waste hydro system I run. I can't haul dirt because I have a bad back with viscous arthritis. This guy has employees, forklifts, and quads to move his materials around. I only have my broken back. No employees. Just me, myself, and I. I don't have the space a guy like this has to run several large organic tea brew reservoirs and I certainly don't have his organic know how to make it all work without killing my plants. Brewing teas is a messy stinky job. This is something I can't do in my basement with limited space without my wife closing up the pussy shop. Use of synthetics in an indoor environment with limited space (and wives in the house) is one of convenience. Brewing organic teas takes time and space I and many other basement growers don't have. This guy lives on a huge swath of land and has all the space, time, and resources he needs to do what he does I have none of those things. I'd suspect many basement growers have the same constraints.
I think organic gardening is great. It's the way god intended and the way it's been done since man began gardening. Synthetic gardening on a small scale indoor garden is more convenient. Nothing more. I do not feel it produces a superior product. It's simply more convenient.
This guy got me pretty excited to try his system out a few years back. I tried brewing teas and feeding the soil, but I failed miserably. I lost 3 months of work and it was devastating. Synthetics produce reliable results for me and I don't have to break my back. Plus my cost for fertilizer is minimal. $120 gets me through 2 years or so running jack's 321. That's cheap, convenient, and reasonable for my situation growing indoors in a small basement. Growing outdoors is a completely different dynamic. As you mentioned growing synthetically is more costly than growing organically. The larger the garden scales up in size the less viable using synthetic fertilizer becomes from a cost perspective. If I were growing outdoors on a larger scale where I'm using exponentially more fertilizer than a small indoor garden I would be forced to learn how to grow organically and come up with a means to move the dirt around. Different growing methods are appropriate for different situations. For an outdoor garden organic is the only way to go. I don't think I've ever heard of an outdoor soil grower using synthetics.