The Orchid Doctor Articles under the Heading Redwood Bark

Redwood Bark Comments
REDWOOD BARK: Characteristics It is very acid; prevents fungi from growing; more nutrients become available in slightly acid medium rather than in alkaline. F72-136 0
REDWOOD BARK: Characteristics and Culture Available in seedling grind (three-eighths inch), regular grind (three-quarters inch) medium chips (one inch by half-inch), and large chips ( two inch by one and a half inch); soak it five minutes before use; the pH of dry bark is 3.65, acid; water three times a week for mature plants; it has advantage of eliminating fungus (mycelium) from the root zone. OD65-249 0
REDWOOD BARK: Chips They are high in acidity; when added to potting mixes they lower the acidity and prevent white mold from growing; the lower acidity also helps to increase the availability of nutrients. F74-165 0

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