Orchid doctor

COMPOST: Sterilizing to Eliminate Virus

Orchid Doctor

by Robert M. Hamilton (Compiler)

Originally published in The Orchid Doctor in 1980 and 1988

Posted by Sys Admin about 3 years ago.

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Cymbidium compost can be heated to 180 to 190 deg.F. for thirty minutes. A71-21
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COMPOST: Mixing Old with New A bit of the old mix may carry spores of indigenous mycorrhiza beneficial in the new mix, but the results take so long that the benefits are doubtful. OR85-137 0
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