Category: Orchid Doctor

GREENHOUSES: Reflecting Light From North Wall

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Use bright aluminum foil and keep it algae-free; it probably exceeds reflection from a white painted wall. A65-53 Read More

GREENHOUSES: Roof of Corrugated Plastic

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Use one-sixteenth inch clear colorless plastic; the orientation of the corrugations is unimportant except to shed water and dirt most efficiently. A65-52 Read More

GREENHOUSES: Roof Slope Minimum

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Moisture can be made to run down rather than drip; 35% slope is probably the minimum and 40% is often used. A67-901 Read More

GREENHOUSES: Sanitation

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago A program of cleaning, sweeping and disinfecting with bleach, Physan, Shield; a fungicide treatment of plants and greenhouse with Natriphene, Panogen or Tersan; refer to A66-375+Infestations of man... Read More

GREENHOUSES: Solar Design Types

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago In Texas a 12ft. by 16 ft unit was partly submerged in the ground and is described with illustrations, diagrams, specifications and discussion of preferred ways and means; refer to A83-500 Read More

GREENHOUSES: Solar Lean-to Type

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago In Massachusetts, a design with construction details for efficiency in operation; illustrations, plans; refer to A83-1031 Read More

GREENHOUSES: Solar Types

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago A system incorporating a conservatory to trap efficiently solar energy, with reflectors to boost input through geometrically oriented windows; apertures and insulation methods; 70 genera housed; il... Read More

GREENHOUSES: Space Limitations Impose Changes

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Get rid of the poor plants in the collection; relocate the inanimate objects; use step benches for more pot space, use vertical space by means of mounted plants, for pot hangers, etc.; use floor sp... Read More

GREENHOUSES: Submerged

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago A combined solar and sunken structure in Maryland has marry advantages; for complete details refer to A82-1141An "English" style, size 7 ft, by 9 by 5.5 deep; a huge success is the claim and econom... 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