Recent content by loneroc

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  1. L

    Iron sensitivity?

    Orchids aren't supposed to use urea directly. Microorganisms need to break it down, yadda yadda etc. My own experience is that orchids seem to take it up fast, way too fast for the urea to have been broken down in the medium. But maybe bacteria work on the urea faster than I know. Sort of like...
  2. L

    Who sells good kovachii flasks?

    Um. How about "consortium"?
  3. L

    Iron sensitivity?

    Thanks to you both. I should fertilize the orchids more consistently. I have a couple of hundred of them, scattered throughout a greenhouse, and under HID lights in my basement. Many are potted, others are slabbed, or growing on trees, or growing directly in the ground. (I'm starting to plant...
  4. L

    Iron sensitivity?

    Howdy all, I occasionally use an iron supplement on my plants, including orchids, to treat cases of chlorosis. A while back I ran accross info (somewhere) indicating that some paphs are sensitive to iron. Is this true? Which species run the risk of iron toxicity? Thanks! Steve H
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