Category: Orchid Doctor

POTASSIUM: Function in Fertilizer

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago It builds desease-resistance, improves plant and flower color and production and acts as a stabilizer to growth. A70-139 Read More

POTASSIUM: Functions

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago It is thought to be related to cell organism, cell permeability and state of hydration;it is possibly vital to the plant's general health. AU75-45 Read More

POTASSIUM: Properties

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago It is used by plants in relatively large quantity; can become unavailable in some soils; its common reaction is to cling to soil particles in readily available but not readily leachable form; tends... Read More

POTASSIUM: Test Feedings

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago It had virtually no effect on the growth of cymbidiums, cattleyas or phalaenopsis at levels of 50ppm., 100 ppm., or 200 ppm. OA79-129 Read More

POT-BOUND PLANTS: Are They Necessary?

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago There is a difference of opinion as to whether some pot-bound plants perform better; the Dendrobium nobile types prefer a tight root mass, but the cane-type dendrobiums can be kept in an active gro... Read More

POT-HANGERS: A Jig to Make Them

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Recommended: a simple jig devised to convert coat-hanger wire into pot hangers of uniform size; illus.; refer to A59-834; could also be used to make plant stakes. RMH Read More

POTS (GENERAL): Clay or Plastic

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago For growing odontoglossums success and failure were achieved equally with both kinds. A76-427 Read More

POTS (GENERAL): Clay Vs. Plastic

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Comparative experiments under scientific conditions demonstrated that cattleya-type orchids grow almost as well in plastic as in clay; differences in growth due to aeration by clay. A61-32+; OWD. c... Read More

POTS (GENERAL): Soak in Clorox

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Make a solution of one part Clorox to four parts water; clean pots well of loose dirt before soaking one-half hour; follow with a washing, a thorough drying and a last rinse before using. A69-130; ... Read More

POTS (GENERAL): Sterilizing

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 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