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Old 09-18-2014, 03:08 PM
ematt ematt is offline
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Join Date: Sep 2014
Location: Nuuk, Greenland
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Hi Stan, thank you so much for your reply!

Please could you point me to some online (or otherwise) literature that describes the problems of soaking rockwool seedlings in a bit more depth?

I have been reading a lot of Dr. Howard Resh's work (author of the convincingly titled "Hydroponic Food Production - a Definitive Guidebook", and his website), and he talks a lot about these floating raft systems, which are used for commercial production of lettuce. In these systems the lettuces are sown in rockwool, and then put into water rafts where they are constantly soaked in nutrient solution. Similarly NFT systems also soak the plants in nutrient solution, right? I suppose, in essence though, if you can get the roots to emerge out from the bottom of the rockwool cubes, then you no longer need to soak the cubes at all, only the roots! My problem is that I can't seem to persuade the roots to emerge at all...
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