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Would this be the nutrients in the water compared to the soil or the choice of plant grown?

Heirloom plants taste so much better but are not conductive to modern production.

I looked a few up in my neighborhood and these are a few examples.

https://www.usnews.com/news/best-states/minnesota/articles/2020-11-07/st-paul-hydroponics-operation-baffles-city-inspectors
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