ELECTRIC CONDUCTIVITY: Meaning

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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The measure of current flow (of fertilizer) passing through water, determined by a reading on a meter connected to the water line; similar to the concept of Parts Per Million. OA87-163; 200
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Electric Conductivity Comments
ELECTRIC CONDUCTIVITY: For Early-flowering Cymbidiums Culture In April, May during flower-bud induction have an E.G. of 0.3; in July-August and continuing into the flowering period an E.G. of 0.8 with an increase in potassium recommended from August on. OA87-200 0
ELECTRIC CONDUCTIVITY: For Late Flowering Cymbidium Culture In April-May an E.G. of 0.6 to 0.8; from end of July to early August an E.G. of 0.3, possibly a few weeks without fertilization; from August (end) to November an E.G. of 0.6 to 0.8 with potassium increase when spikes show; with a drip system a lower E.G. is necessary. OA87-200 0

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