The Orchid Doctor Articles under the Heading Pumice

Pumice Comments
PUMICE: Agricultural Grade Suitable fertilizer for plants grown in it is 10-10-10; pumice is not like bark which requires extra nitrogen to produce good growth. A61-904 0
PUMICE: As a Cymbidium Medium It is not considered as good as bark; in an experimental growth trial lasting three years the plants in pumice became smaller, the root system poorer than those in bark, with the root system showing stunting and tip stoppage; alkalinity may have become the main problem. OA84-79. 0
PUMICE: As Potting Media For its characteristics, a clinical analysis, comparative data with fir bark and osmunda, its many advantages, refer to A61-17+; C72-70+ 0
PUMICE: Definition A light, spongy stone thrown up by volcanoes. A75-712; RMH 0

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  1. Carol Holdren commented on topic "recently purchased orchid shows unstoppable roots " by David George
  2. Michael Makio commented on orchid V. Beatrice Makio
  3. Carol Holdren commented on topic "shorter stem with less vigorous blooms" by katherine mott
  4. Carol Holdren commented on topic "need info on yellow bird" by Glenda Ratliff
  5. Carol Holdren commented on topic "Looking to join an orchid club." by Paula Milano
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