SAND: Added to Potting Mix

Culture Orchid Doctor

by Robert M. [Bert] Hamilton (Compiler)

Originally published in The Orchid Doctor in 1980 and 1988

Posted by Sys Admin almost 8 years ago.

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It caused Paphiopedilum callosum to "explode" with new growth; mix not specified. A75-962
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Sand Comments
SAND: In Cymbidium Mixes As a mineral component in mixes, sand has diminished in popularity as it slowly sinks down and layers at the bottom of the container; it has largely been replaced by Perlite . OA82-5 0
SAND: In Potting Mixes Beach sand can be used if it is more than normally coarse and does not obstruct water flow through the pot; Monterey washed sand comes in various sizes in bags from cement companies; it also can be used as a top layer over Rockwool to suppress moss growth. Van. O.S. Bulletin, f87Dec. 0
SAND: Used for Community Pots Masonry brick sand, as fine, pure sand as possible was used; sand culture produces greater growth with abundant but shorter roots. A74-713 0

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