Orchid doctor

IRON: In Fertilizer Programs

Culture Orchid Doctor

by Robert M. Hamilton (Compiler)

Originally published in The Orchid Doctor in 1980 and 1988

Posted by Sys Admin about 2 years ago.

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Chelated iron should be used instead of normal iron siulphate at a rate of 8 to lOppm. AU84-199
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Iron Comments
IRON: Characteristics As a growth element it is used in the formation of chlorophyll; it is an assumed antidote against chlorosis; colors flowers darker; in many cases Iron chelate makes whites turn pink; a trace element. OA78-51 0
IRON: Deficiency In mi Itonlopsis it shows up as either blotchy leaves or as leaf tips faded from loss of green pigment; use a half dose of Sequestrol one day after heavy watering. OIE85My-3 0
IRON: Functions in Fertilizer Vitally important in the formation of chlorophyll but it is not a part of it. AU75-47 0
IRON: In the Water Supply Watering directly into the pot will cause little harm to the plants; on the leaves the iron precipitates out and colors them coppery,- eventually to reduce the light intake of the leaf and weaken the plant; remove the iron economically if possible from the water by treatment. A87-1175 0
IRON: Odontoglossums Need it Chelate of Iron should be supplied to the plants strictly according to the instructions on the label; add 5ml of GU49 (powdered iron) to the slow re lease fertilizers (30ml Osmocote, nine months release type, 20ml Mag-Amp) 10ml dolomite lime, to nine litres of potting mix. AU81-179 0
IRON: Spray with Chelated Iron If the water supply lacks iron plants can be sprayed with it. A85-205 0
IRON: Stains Red-brown iron stains can be kept off the leaves only by keeping the water carrying the iron from dripping there. A86-42 0
IRON: Well Water Contaminant Leaves of plants get rusty; rust removal filters charged with potassium permanganate are not safe to use with plants. A72-151 0
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  3. Gilda Gómez asked question Dendrobium loddigesii in category General Discussion
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  1. 92f7c225 2490 4d3b 822c 2f4b8f30d6b8 Mary Lane commented on topic "Add an orchid to my space" by Mary Lane
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  3. Image Carol Holdren commented on topic "Orchid name" by Milena Radeva
  4. Ronald Young commented on member plant Ett. Volcano Trick by Ronald Young
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  6. Gilda Gómez commented on topic "Dendrobium loddigesii" by Gilda Gómez
  7. Gilda Gómez commented on topic "How to add a not-listed plant" by Adrienne Alexander
  8. Image Carol Holdren commented on member plant Rlc. Prada Green Deluxe by Mary Lane
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