Newly Posted Articles

GLASS: Greenhouse Types

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago The percentages of both light transmission and wavelength are important; different pigments in the glass can cause variations and some good wavelengths of light may be screened out; it may be etche... Read More

GRANULES (G): Pesticides

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago They contain 1 to 20% of the active bug killer impregnated into clay, etc.; they are heavy and minimize air drift when scattered and reduce contamination of surrounding areas; normally can be aplli... Read More

SULPHUR: Function

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago It occurs in proteins; a constituent of aromatic compounds; very mobile within the plant; as tissue ages it is moved to younger tissue. AU75-45 Read More

SUN CLEAR: To Eliminate Inside Drip

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Can be diluted with water and sprayed on to the inside surface of plastics; causes water to run freely down, without dripping in the greenhouse; supplier's address given. A76-403 Read More

SUN HEAT: In Mid-summer At Noon

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Calculation has shown that the sun will heat air inside a greenhouse at the rate of five deg.C. every minute; ventilation is needed, OR75-199 Read More

SUNBURN TREATMENT: For Plants

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago An old remedy is to saturate water with sugar and thickly cover all the plant ; it seals the tissue from fungi and bacteria and stops dehydration. AU88-23 Read More

SUN-LOVING PLANTS: For Outdoors in South Florida

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Listed: Arachnis, Broughtonia sanguinea, C. guatemalensis. C. skinneri, Dendrobium pierardii, Encyclias, such as tampense, Epidendrum ciliare, Epi. radicans, Grammatophyllum scriptum, Oncidium luri... Read More

SUPERPHOSPHATE: A Fertilizer

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago On cymbidiums and cattleyas use a heaping teaspoon spread evenly over a 10-inch pot surface, or half that for an eight-inch pot of a cymbidium; for cattleyas use five level teaspoons in five gals, ... Read More

SUPERPHOSPHATE: What Is It?

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago It is the end product obtained when rock phosphate is mixed with sulphuric acid but not phosphoric acid; it contains about 16 to 20% of P205 (means soluble phosphate), A61-981; single super-phospha... Read More

WATERING: Quantity of Water Required

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago About 100 gallons to 400 sq. ft., or 600 six-inch pots. A86-1252 Read More