Category: Culture

FERTILIZERS: Toxic Effects

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Plants cannot limit the intake of the following elements so they become toxic if overdone: nitrogen, potassium, magnesium, iron, zinc, boron. SA85Dec-168 Read More

FERTILIZING: Of Cattleyas in Bark

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Use 1/2 to 1 tpg of 30-10-10 every second watering all year round. A81-1093 Read More

FERTILIZING: Signs of Over-fertilizing

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago The plants are usually lush-growing, dark green with lots of leaves and no flowers; just like my Encyclia vespa. A84-129 Read More

FERTILIZING: Using a Plastic Drum for Holding

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago A 200 litre size container with piping, a valve, filter and pump to dispense premixed Aquasbl feed; refer to AU86(2)-19 Read More

FIBERGLASS: Green

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Do not use it for greenhouses unless you want a green house; parts of the light spectrum used by green plants are the red and blue ends and when the pigments are mixed the resulting colour is the o... Read More

FIBERGLASS: Selection Is Crucial

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Most consumer-grade fiberglas is colored, either white or greenish, but it should be clear for a greenhouse; it deteriorates quickly in strong sunlight so light is cut out; buy only greenhouse qual... Read More

FILTERS: Used Furnace Types

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Mount them on the back of fans to rid the air in greenhouses of some particles, bacteria and spores; clean or replace when dirty. OIE85Sept-5 Read More

FLOWERING: Enhancement

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Carnauba wax is a lipid growth substance from the palm tree and is a rich source of enhancement properties; virtually every plant (non-orchid) sprayed with a patented preparation of it showed enhan... Read More

FLOWERING TIMES: Characteristics of Species

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago In their natural habitat they peak a month or two earlier than in the greenhouse in the north; for lists of S.E.Asian, Philippine, and Malayan, plants refer to W11-171 Read More

FLOWERING TIMES: Of Species in the Northern Greenhouse

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Do not overlook the detailed study by Hamilton: When does it flower? orchid species in the greenhouse since 1881. RMH Read More