The Orchid Doctor Articles under the Heading Clay, Calcined

Clay, Calcined Comments
CLAY, CALCINED: As Cymbidium Medium It is not as good as bark mixes, judging from an experimental growth trial of three years; for details refer to OA84-79 0
CLAY, CALCINED: As Cymbidium Mix An aggregate used in making masonry blocks, it is good for culture in pots up to six inches; is alkaline in reaction; mix with bark for larger pots. OA82-6 0
CLAY, CALCINED: Expanded Nodules Most epiphytic orchids grow well in it; use 1-1-1 balanced fertilizer; it holds water and is aereated for good root growth; do not let it dry out; trade names are Crestlite, Haydite, Herculite, Turface. A83-698; RMH 0
CLAY, CALCINED: Expanded Shale or Clay Aggregate material fired under great heat is like volcanic rock, porous, well-aerated but they differ in types; for a current valuation refer to A86-495 0
CLAY, CALCINED: Haydite As a potting medium for angraecums, the seedlings can be started in it and grown on into a ten-inch pot in about five years and they flower well. Ca84Spring-3 0

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  1. Mark Kaczynski asked question Looking for Dendrobium Jac-Hawaii 'Uniwai Pearl' in category General Discussion
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  3. Luis Imatani asked question RLC/ LC Large flowered hybrids in category General Discussion
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  1. Bill Overton commented on topic "Catt. walkeriana" by Angela Baxter
  2. Gonzalo Rotondaro commented on member plant Cattleya (Sophronitis) cerna by Laura Urban
  3. Steven Kirincich commented on member plant Lc. Little Oliver by Steven Kirincich
  4. Robert Rand commented on member plant Alcra. Winter Wonderland 'White Fairy' by Robert Rand
  5. Thuong Do commented on member plant Schom. tibicinis by Edward Zapata
  6. Bill Overton commented on topic "diseases" by Penny Edwards
  7. William Gorski commented on topic "Orchid Species: Vanda falcata h.v. Ryunotsume" by William Gorski
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  9. Susan Fairbairn commented on topic "diseases" by Penny Edwards
  10. Robert H. Findlay commented on topic "seed vs. pollen parent " by Robert H. Findlay