Newly Posted Articles

POTASH: Muriate or Sulfate

Author is Robert M. [Bert] Hamilton (Compiler), posted over 9 years ago The osmotic concentration of muriate of potash compared with sulfate of potash for the same weight is 50% greater; damage caused by substitution of muriate for sulfate can be heavy. A65-909 Read More

POTASH: To Induce Flowering

Author is Robert M. [Bert] Hamilton (Compiler), posted over 9 years ago In July increase potash; difficulty in flowering can be corrected by applying potash. OR76-344; an old-fashioned idea, it works only for potash-deficient plants. OWD Read More

POTASSIUM: Characteristics

Author is Robert M. [Bert] Hamilton (Compiler), posted over 9 years ago It enhances the ability to resist disease and cold temperatures as far down as 25 deg.F.; potash causes carbon and oxygen to form C02 from which plant sugars are formed; pH of 6 is the lowest advis... Read More

POTASSIUM: Deficiencies in Plants

Author is Robert M. [Bert] Hamilton (Compiler), posted over 9 years ago Such a thing has never been observed in plants grown either by amateur or professional growers. A67-473 Read More

OUTDOORS GROWING: In Miami Area

Author is Robert M. [Bert] Hamilton (Compiler), posted over 9 years ago "grow or go" applies to orchids of minor importance in a large garden; plants are attached especially to oak trees on the east side at a point where water sprinklers hit a window-screener pouch wit... Read More

TEMPERATURE: Recommended for Winter in the Greenhouse

Author is Robert M. [Bert] Hamilton (Compiler), posted over 9 years ago Cool: December -- Night 50 and Day 55; Intermediate: Dec. -- 58 and day, 58 to 65; Warm: Dec. 68 and Day 68 to 73; with a slight difference in January Cool: Night 50 and Day 55; Intermediate 59 to ... Read More

THRIPS: Control If Malathion Has Not Been Effective

Author is Robert M. [Bert] Hamilton (Compiler), posted over 9 years ago The Malathion used must have been old; use fresh Malathion, spray at 1.5 tpg. every five to seven days, with three applications; or spray with Zectran at 3 tpg. A72-1100 Read More

POTASSIUM: Function in Fertilizer

Author is Robert M. [Bert] Hamilton (Compiler), posted over 9 years ago It builds desease-resistance, improves plant and flower color and production and acts as a stabilizer to growth. A70-139 Read More

FOLPET: Toxicity Reactions in Humans

Author is Robert M. [Bert] Hamilton (Compiler), posted over 9 years ago Diarrhea, weight loss. A68-583 Read More

DIVIDING CATTLEYAS: Minimum Number of Pseudobulbs to Keep on a Division

Author is Robert M. [Bert] Hamilton (Compiler), posted over 9 years ago Four or five give the best results. A70-55 Read More