Category: Culture

POTASSIUM: Excess Problems

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 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

POTASSIUM HYDROXIDE: Used to Achieve Ideal Ph Range in Water

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 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

POTS: Air-cone Type

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago Pots with an empty space in the bottom-center designed to reduce sogginess; they provide good drainage and the condition of the roots and the mix can be "viewed" fairly well. OD88-19 Read More

POTS: Are Clay or Plastic Ones Preferable?

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago The main thing is to use only one kind, in order to achieve uniform watering if possible; if a choi ce is faced, choose clay pots with at least three slits in the sides low down because it is impos... Read More

POTS: For Cymbidiums

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago Small laundry baskets of plastic mesh about 18 inches wide are used in the Bianchi establishment on Long Island to grow cymbidiums in. OA82-8 Read More

POTS: A Kitchen Colander Can Be Used

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago A ten-inch plastic one with a full complement of holes provided excellent drainage and aeration for a specimen miltonia, fitted into a normal pot. A82-586 Read More

POTS, CLAY: Adding Vertical Slits for Aeration

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago These can be added by using either a carbide blade or a carborundum blade on a circular saw to cut the narrow channels. F85-176 Read More

POTS, CLAY: Sterilizing Them

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago Both the pots and the compost can be put in hot water at 72 dC (about 160 dF) for ten minutes then cooled before using; this resulted in better growth than by using fungicides. AU81-20Wire-brush th... Read More

POTS (GENERAL): Sterilizing

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago It's feasible to use a microwave oven if only a few pots at a time are done; use a temperature of only 180 dF for 30 minutes to kill harmful microorganisms; a better way is to place the pots in a p... Read More

POTS (GENERAL): Tipping Them Over

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago Top-heavy plants are a problem unless balanced against falling over; an ingenious counterweight consists of a five to six ounce lead weight as used by anglers and obtainable from sports shops, atta... Read More