Newly Posted Articles

BARK, REDWOOD: Potting Medium

Author is Robert M. [Bert] Hamilton (Compiler), posted over 9 years ago Shredded bark used as insulation material and sold as Palco Wool was treated with fire-retardant ammonium phosphate which caused remarkable growth of plants. A87-1041 Read More

ROOTS: Aerial

Author is Robert M. [Bert] Hamilton (Compiler), posted over 9 years ago They appear on miniature cymbidiums being summered outdoors; if grown in small or open-sided containers, roots will develop outside the container, especially if they are benched close together; try... Read More

FERTILIZING: Enhanced Feeding

Author is Robert M. [Bert] Hamilton (Compiler), posted over 9 years ago If properly controlled it produces more and larger flowers. A73-909+ Read More

METALS: Zinc, Cadmiun, Lead

Author is Robert M. [Bert] Hamilton (Compiler), posted over 9 years ago Their toxicity to orchids spelled out; rainwater collected from roofs with galvanized steel members carried contamination to the plants; the increasing acidity of rain imposes a threat to some orch... Read More

METASYSTOX: Also Known as Oxydemeton-methyl

Author is Robert M. [Bert] Hamilton (Compiler), posted over 9 years ago It is an organophosphorous systemic poisoning compound used mainly for aphids. AH13 Read More

ROOTS: Growth Is Very Poor

Author is Robert M. [Bert] Hamilton (Compiler), posted over 9 years ago Paphiopedilums under lights normally make small roots and need little fertilizer; in bark media formulas such as 20-20-20 or 23-19-17 are not appropriate; use 30-10-10 or 20-10-10. A76-115 Read More

ROOTS: Growth Stimulants

Author is Robert M. [Bert] Hamilton (Compiler), posted over 9 years ago One of the most common root-promoting substances is indole acetic acid, but it is used mainly to stimulate rooting of cuttings. A62-1009 Read More

ROOTS: In Flasks

Author is Robert M. [Bert] Hamilton (Compiler), posted over 9 years ago They grow above the medium where there is not enough oxygen getting into the flask. A79-455 Read More

PH (GENERAL): Of Fertilizer

Author is Robert M. [Bert] Hamilton (Compiler), posted over 9 years ago A pH8 to 9 of the 30-10-10 fertilizer is natural and should not be adjusted because the alkaline state changes to the acidic side when used by the plant. A81-27 Read More

BENLATE: On Paphiopedilums

Author is Robert M. [Bert] Hamilton (Compiler), posted over 9 years ago Caused production of infertile pollen. A79-898 Read More