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BARK MIX: Two-thirds Fir Bark and One-third Redwood, Are Any Additions Needed?

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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Add 15% by volume screened peat moss larger than one-quarter inch; if water supply is soft, or rain is used add one-half pound pulverized high magnesium limestone to 1 cu. ft. of mix. A75-437
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Bark Mix Comments
BARK MIX: Breaks Down Rapidly in Large Plastic Pots Try potting in 60% bark, 20% coarse peat moss; 20% redwood bark fiber (or 10% fiber and 10% perlite) it lasts until plants need repotting. A72-686 0
BARK MIX: For Paphiopedilum Seedlings 1 pt. seedling bark (one-eighth to one-quarter inch) 1 pt. very fine bark (0 to one-quarter inch); add 10 to 12 lbs. of coarse dolomite lime and 1 to 2 lbs. of 27-6-10 slow release fertilizer per cu. yard. A77-709 0
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