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Growing Edge Presents: Innovative Agriculture at JHCS

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Uploaded by on Feb 2, 2007

Students from Johnson County High School demonstrate their state-of-the-art hydroponic greenhouse growing setup, and share what they've learned about tomato and lettuce production, taking us through their process from setup to harvest.

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  • fuk that intro was waaaay too long, i hated this vid half way through.

  • guess it should be miliSiemens

  • It's ok, it was just a commercial for some hippie magazine....

  • A conductivity of 2000-2500 Siemens per metre? Surely, that many ions in the water would kill all the plants! Seawater is only 5 Siemens per metre.

    Unless your conductivity meter actually measures resistivity, which is measured in Ohms by metre. Or if it's some kind of strange crackpot US customary unit for conductivity...

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