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My results with semi-hydro

This is a discussion on My results with semi-hydro within the Semi Hydro / Lights / Greenhouses / Accessories forums, part of the Orchid Culture category; Last year I put about 15phals in semi-hydro 8 of them were suspended, so I ...

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  1. #1
    andreaemilia's Avatar
    andreaemilia is offline Senior Member
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    Andrea
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    Default My results with semi-hydro

    Last year I put about 15phals in semi-hydro
    8 of them were suspended, so I had drilled holes in the bottom of the pots anf put the pots in some water
    All of them faired well and are now in spike, and are watered every 14 days
    the rest of the phals didn't like the initial methos with lateral holes and some water on the bottom of the pot, but recoverd after driling the holes in the bottom. if not placed permanently in water these need wattering at least every 7 days
    I lost 2 to root rot, by my obervation thode who are sickly to begin with
    and 2 a placed back in bark media
    so my conclusins are that for me S/H works, with thw first method drilling holes in the bottom of the pot, put pot in hydrotone
    I have green algea in the hydrotone, but since they obscure the bottom part ofthe pot not in the pot itse
    so all my phals but 2, that are in S/h are in spike
    Can wait to see them bloom
    I hope the picture from my S/h from my kicthen are clear enoughName:  1Resize of DSC06582.JPG
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  2. #2
    raybark's Avatar
    raybark is offline Senior Member
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    Ray Barkalow
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    Default

    Let me make a comment or two:

    Without having a permanent reservoir - whether that be the internal one created by a solid bottom and holes in the side, or an external one created by the pot (with bottom perforations) standing in a tray of water - that is not semi-hydroponic culture, but is just "traditional" culture utilizing inert media.

    The death and subsequent loss of roots to rot is to be expected. Root cells tailor themselves to the environment into which they grow, and once grown, cannot change. Moving roots to a different environment makes them less than optimal, so the plant will have to replace them, leaving it vulnerable while it grows a sufficient new root system. That is why it is important to move plants to a new root zone environment right as they are beginning to grow new roots - a short gap won't exhaust the plant or be sufficient time for desiccation, but if the plant is not actively growing new roots, it is possible to lose it before it can.

    Another thing to consider - expecially with "hot growing" plants like phals - is that the enhanced evaporation of an open, airy medium like those typically used for S/H culture, can lead to evaporative cooling of the root system (if the rest of your growing conditions favor it), potentially pushing the root zone temperature low enough to weaken the roots, leaving them more susceptible to attack by pathogens.

  3. #3
    andreaemilia's Avatar
    andreaemilia is offline Senior Member
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    Default

    the rectangular shaped plastic holding pots suspended an the wall have permanently water
    So a I have 8 phals in S/H doing great and in spike
    Thanks for the information above

  4. #4
    eircsmith's Avatar
    eircsmith is offline Senior Member
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    Default

    Thank for starting threads and reply to related query which can be helpful for grower.

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