Orchid doctor

CLAY, CALCINED: Haydite

Culture Orchid Doctor

by Robert M. Hamilton (Compiler)

Originally published in The Orchid Doctor in 1980 and 1988

Posted by Sys Admin about 2 years ago.

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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
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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
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  1. Edward Zapata asked question Selfing Question on Pollinating. in category General Discussion
  2. Edward Zapata asked question Name of Cymbidium? in category General Discussion
  3. Paph hsinying jewel x paph hsying jewel september 09 2018 Adrienne Alexander asked question Can Zygopetalum (genus) be added to the look-up? in category General Discussion
  4. Paph hsinying jewel x paph hsying jewel september 09 2018 Adrienne Alexander started topic Zygopetalum in category General Discussion
  5. Piet2 Pieter Opperman started topic Some advice please in category General Discussion
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  7. Edward Zapata commented on topic "Name of Cymbidium? " by Edward Zapata
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