The Orchid Doctor Articles under the Heading Salts, Chemical

Salts, Chemical Comments
SALTS, CHEMICAL: The Harm That They Do If roots grow normally until they reach the edge of the pot then dry up, excess salts in the water is indicated. OIE85Jy-15 0
SALTS, FERTILIZER: In Water They burn the root tips where they enter the potting medium m this means there is too much chloride, sodium or bicarbonates on the potting surface. A71-917; A71-1102 0
SALTS, FERTILIZER: Problems Salts from fertilizers accumulate in pots, especially in gravel culture to amounts which burn the roots; they are less likely to accumulate in plastic pots; they have to be flushed out with plain water. N304 0

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