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Thread: New name for N. lowii

  1. #17
    swords's Avatar
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    At $3 a bag maybe I'll try some of the arcyliite with the new arrivals. It is rougly the size of granulated charcoal (maybe twice the size) but it is only baked clay granules which adds nothing to the soil as far as nutrients.

  2. #18

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    Utramafic does indeed mean ultrabasic. More specifically, the geologic definition of the term
    is:

    An intrusive igneous rock very rich in iron and magnesium
    and with much less silicon and aluminum than most crustal rocks.

  3. #19
    swords's Avatar
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    Thanks Jeff! Considering the substances listed in the defenition of Ultramafic, I wonder if using a product such as Flourite could be a good ingredient to try in my soil mix?
    Flourite is a planted aquarium substrate consisting of 2-5 mm granules made of porus baked clay which is naturally high in these very two elements (Fe & Mg). I use this stuff in all my fishtanks so getting a scoop for a test soil would be no problem.
    What I'm most worried of is if there may be any chances of Fe and Mg "burning" nep roots? As I understand it these are very minimal slow leaching elements and shouldn't really overcome the roots witha "nutrient blast". Also Fe is responsible for nice green and red leaf coloration (at least in aquatics)...

  4. #20

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    I don't know anything about the use of flourite, I'm afraid.

    However, I have used laterite, which is also used in aquaria, in some of my Nepenthes
    compost mixes. In fact, as I've remarked on the N. merrilliana page on my site, the
    use of laterite granules seems to be of great value in the cultivation of that species.
    Moreover, its use in the compost for some forms of N. sanguinea has also resulted in
    superior pitcher coloration for that species.

  5. #21
    swords's Avatar
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    I think I'll give the Flourite a try because when I used laterite it became a solid lump. I don't know why that happened-have you had laterite clump up and fuse together over time?

  6. #22

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    No, I've not had that problem. The product I use is granular and I mix it into the compost.
    So, there are no aggregations which could solidify.

  7. #23
    Nepenthes Specialist nepenthes gracilis's Avatar
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    Hmm....so perhaps Rajah should/would be better in a more rocky compost? [img]http://www.**********.com/iB_html/non-cgi/emoticons/confused.gif[/img] Would it be hard to mix up? I would say like a mix of laterite,peat and pumic or lava rock perhaps. Any ideas?

  8. #24

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    i read that the only thing that stops roots is rocks. that the roots don't have enought strangth to penatrate and slows down the growth.
    George McKay

    In The End We are All Dead
    Florida

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