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MSU Fertilizer Advice please

This is a discussion on MSU Fertilizer Advice please within the General Orchid Culture forums, part of the Orchid Culture category; I have been reading about the benefits of MSU fertilizer, but note that there is ...

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  1. #1
    prmetime is offline Junior Member
    Join Date
    Nov 2004

    Question MSU Fertilizer Advice please

    I have been reading about the benefits of MSU fertilizer, but note that there is no consistency between growers on the concentration to be used (some use 1/2 tsp per gallon, some use 1 tsp gallon). I intend to use it on my phals (mostly in NZ sphagnum moss, but some in a bark/perlite mixture). I live in the Vancouver BC area (lots of overcast days Oct - April). Any advice would be very much appreciated.


  2. #2
    peteMc's Avatar
    peteMc is offline innocent bystander
    Join Date
    Jul 2004


    If you haven't been to First Rays Orchids, there is some information there concerning that particular fert.

    I have seen differences in the cultivation habits of growers about nearly everything; my feeling is that each grower finds a balance in relation to his or her growing conditions. A difference in the concentration of fert could be due to the amount of light the plants are getting in each location, or the feeding schedule of the particular grower, or the genus of the plant itself.

    just a simple example - my Stans are heavy feeders during growth, and can handle relatively high doses that my Phals cannot, even with all else being more or less equal. Also, I feed continuously at weaker concentrations, in some effort - perhaps misguided - to match the conditions they may experience out on the trees. (also, i admit, because the chances of me forgetting to feed, or when i last fed, are pretty good ) The change in light and temperature conditions as the season changed, and i feed less...hope i'm making some sense....

    anyway, good growing, others will probably chime in too


  3. #3
    RSJ is offline Senior Member
    Join Date
    Oct 2004
    WA State

    Default Depends

    You also need to adjust amounts depending on whether you're using the right type for your water, since MSU comes in "tap" version and r/o or distilled version.


  4. #4
    prmetime is offline Junior Member
    Join Date
    Nov 2004

    Default Thanks!

    I think I will start of with a lower concentration and wait to see the response of my plants. Thanks for your help!

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