Category: Orchid Doctor

HEATING CABLES: Use for

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Try growing mature Doritaenopsis and Phalaenopsis in the greenhouse on one for better performance; it should be linked to a thermostat control. OIE85Jy-15; RMH Read More

HEATING, COOLING AND HUMIDITY: Review of Problems

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Refer to A63-85; 531+ Read More

HEATING: Costs and How to Reduce Them

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Adopt partial underground construction of greenhouses, lots of insulation, a southern exposure, double glazing with plastic film, airtightness, the installation of passive heat storers (steel drums... Read More

HEATING: Emergency

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Water will flow till it freezes and as it freezes it releases heat, so saturate the greenhouse with water when the emergency heater conks out on the coldest night; keep it going until heating is re... Read More

HEATING: Emergency Systems

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago An alarm system described, as well as three types of emergency heating apparatus; refer to A64-121+ Read More

HEATING: Greenhouses

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago The Kentucky Agricultural Experiment Station's system of heating is fully described and illustrated; refer to A64-547 Read More

HEATING: Infrared

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago This type heats plants directly instead of the surrounding air; growth doubled and root vigor increased dramatically in one installation; gas consumption is one-tenth of what was used in summer (Ca... Read More

HEATING: Infra-red Heat

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago In greenhouses it promotes vigor in leaves and roots and flowers at an economical cost; the units use propane/butane, or natural gas; for details refer to A85-222 Read More

HEATING: Infra-red Heat Lamps

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Are suitable, providing there are no emissions of light in the 600 to 700 Mu range; the true infra-red range will not affect photoperiodicity of the plants. A74-433 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