The Orchid Doctor Articles under the Heading Vitamins

Vitamins Comments
VITAMINS: As Additive in Fertilizer Circumstances make the rules invalid; test before making large applications; some other less pertinent suggestions made. F85-8 0
VITAMINS: As Plant Growth Substances A brief review of some, such as thiamine, niacin, biotin, ascorbic acid, yeast; refer to OA83-52; refer also to OBIII-201; OBII-269, etc. 0
VITAMINS: Useful to Orchids Fungi provide niacin (nicotinic acid) which enhances the growth of seedlings; folic acid (a water-soluble vitamin) and thiamine (vitamin B/l) also stimulate growth; four combinations cited; refer to OR74-342; for scientific review refer to OB1-160-175 0

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