Category: Orchid Doctor

CARBARYL: Toxicity Reactions in Humans

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Nausea, vomiting, diarrhea, salivation, nasal discharge, congestion, nervousness, tremor, dizziness, convulsions. A68-583 Read More

CARBOHYDRATES: Formation and Respiration

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago They are the focal point of growing; they determine greenhouse design, potting media, fertilizing levels, flowering, temperatures and humidity requirements and concepts. AU79-35 Read More

CARBON DIOXIDE: Addition to Greenhouse Atmosphere

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago The natural slow growth of orchids equates with adequate consumption without the necessity of adding it to the atmosphere, but opinions differ. A65-388+; A65-899+ (in favor of adding it); A67-811; ... Read More

CARBON DIOXIDE: Air Fertilization Data

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Experiments on non-orchid plants in Vermont; also on cattleyas in Tokyo; both with beneficial results; most effectively applied in the afternoon; use dry ice in coffee cans wrapped well in newspape... Read More

CARBON DIOXIDE: Crowded Cymbidium Plants

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago If plants are crowded too closely together, in the daytime when they consume much more carbon dioxide than they release, then the carbon dioxide level drops rapidly, gentle air movement then is ess... Read More

CARBON DIOXIDE: Enriched Atmosphere for Cymbidiums

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Braemar Nursery, Santa Barbara, Cal. use two Tectol gas-fired generators and report satisfactory growth improvements; plants flower in three instead of five years; 1,200 parts to one million of air... Read More

CARBON DIOXIDE: Enrichment Effects

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago On cymbidium and cattleya seedlings and mericlones it definitely stimulates growth; normal outside concentration is about 300 ppm.; 1,000 ppm. was found best experimentally; being heavier than air ... Read More

CARBON DIOXIDE: Ethanol and Methanol Alcohol Burning to Heighten Carbon Dioxide Content of Air

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Satisfactory if burned in greenhouse in small amounts; alcohol flame is invisible by day and dangerous. A69-242 Read More

CARBON DIOXIDE: Ethyl Alcohol Burning

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Side-effect of ethylene production seems small; such burning is harmless. A66-55 Read More

ACID OR ALKALINE: Changing the Values

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Various means can be used: tufa, a limestone form, can be added to paphiopedilums from limestone cliffs; bark composts acidify with age; peatmoss, pine needles, oak leaves in the mix produce acidit... Read More