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European terrestrial medium
Medium for germination of Orchis, Dactyloriza, Gymnadenia, Anacamptis, and Himantoglossum. Originally from Heimische Orchideen, In der Natur und im Garten by Karl Heintz Eilhardt, Naturbuch Verlag in 1992. The ISBN 3-89440-027-7. Also published in 1951.
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Ca(NO3)2 * 4 H2O
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65 mg
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NH4NO3
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65 mg
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MgSO4
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33 mg
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KHPO4 **
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33 mg
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Ironextract (?)
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1 mg
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NaH2PO4 * H2O
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100 mg
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Peptone
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300 mg
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Moutextract (malt extract?)
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300 mg
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Sugar
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7 g
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Agar
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6 g
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Adjust pH to 5.5. Makes 1 liter of media. Orchid seed germinate in a dark place around 23 degrees C.
**It is unclear if this refers to potassium diphosphate, KH2PO4 or potassium monophosphate K2HPO4.
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