Author is Robert M. [Bert] Hamilton (Compiler), posted over 9 years ago
An algicide, fungicide, soil drench and disinfectant; for control of snow mold, damping off, black rot, root rot, etc. A63-912; AH15
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PLANT GROWTH: Four Basic Steps
Author is Robert M. [Bert] Hamilton (Compiler), posted over 9 years ago
Photosynthesis, transpiration, translocation and respiration -- for details refer to A73-780+
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ULTRAVIOLET LIGHT: Flower Patterns Are Enhanced Under it
Author is Robert M. [Bert] Hamilton (Compiler), posted over 9 years ago
In nature the light is useful for orienting flying insects to the right flowers for pollination. A71-877
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WARDIAN CASES: Lights Necessary for Case 5ft. X 4 X 3
Author is Robert M. [Bert] Hamilton (Compiler), posted over 9 years ago
Use as many 40-watt fluorescent tubes as possible, maybe four, plus two 25-watt incandescents to provide red light; place the plants two to six inches from the lights; a small fan or blower is nece...
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BARK MIX: For Paphiopedilum Seedlings
Author is Robert M. [Bert] Hamilton (Compiler), posted over 9 years ago
1 pt. seedling bark (one-eighth to one-quarter inch) 1 pt. very fine bark (0 to one-quarter inch); add 10 to 12 lbs. of coarse dolomite lime and 1 to 2 lbs. of 27-6-10 slow release fertilizer per c...
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STEMS: Weak in Paphiopedilums
Author is Robert M. [Bert] Hamilton (Compiler), posted over 9 years ago
P. bellatulum and P. concolor have naturally weak stems. A88-34
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FOOT-CANDLES READING: By Means of Photographic Light Meter (weston Master)
Author is Robert M. [Bert] Hamilton (Compiler), posted over 9 years ago
Read the light reflected from the surface of white blotting or type-writing paper without light from any other source; multiply the meter reading by four. A67-415; A74-34; Sekonic meter. A68-431
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FOLIAR FEEDING: Through Leaves, Etc.
Author is Robert M. [Bert] Hamilton (Compiler), posted over 9 years ago
The cuticle areas of (non-orchid?) plants can absorb fertilizer; it can enter easily. C73-106
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FOLIAR FEEDING: Who Uses It?
Author is Robert M. [Bert] Hamilton (Compiler), posted over 9 years ago
At Kew it is mostly used in preference to fertilizing in the pots. OR87-7
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FOLIAR FEEDING: With Water Soluble Fertilizers
Author is Robert M. [Bert] Hamilton (Compiler), posted over 9 years ago
Use a mister or fine spray, especially on the undersides of leaves; 90% can be absorbed at the proper dilution; do not use in hot sun; do not use on newly potted plants before signs of activity. S114
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