Category: Orchid Doctor

POLYSTYRENE: In Potting Mix

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Put it through a kitchen meat grinder if you have one, or cut it up with a knife, to produce granules or cubes and mix it 50/50 with bark for a good potting mix to achieve a non-soggy condition; a ... Read More

POLYSTYRENE: Potting Material

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago In bead form; common ingredient in Europe; an insulating material, extremely light, inert, does not saturate or rot, retains moisture on surface only; used in a mix with peat moss, sand and sphagnu... Read More

PORTLAND CEMENT: As Dessicant for Seed Storage

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Wrap some Portland cement powder in paper towelling and place in the bottom of a screw-capped jar with the seeds wrapped in tissue paper. A76-528 Read More

POT HANGERS: Reaching on High

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago A simple solution is to get a push-broom handle about five feet long, screw in a five-inch hook at the end. A83-491 Read More

POTASH: Muriate or Sulfate

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 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 almost 8 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 HYDROXIDE: Used to Achieve Ideal Ph Range in Water

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago It is a very caustic lye; it is pre-mixed in a stock solution, to be added to barrels of rain-water in Hawaii where volcanic gases have been absorbed by the rains to drive the pH down to 4, which i... Read More

POTASSIUM: Characteristics

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 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 almost 8 years ago Such a thing has never been observed in plants grown either by amateur or professional growers. A67-473 Read More

POTASSIUM: Excess Problems

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Scientific tests have Isolated potassium as the potential cause of growth retardation, particularly of flower stem length; a very little is too much and flower production can be reduced substantial... Read More