Category: Orchid Doctor

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

FERTILIZERS: With Micronutrients

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago They are of questionable real value; it is probably false advertising to claim otherwise. OD67-221 Read More

FERTILIZING: Cattleyas, When to Stop

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago The idea that it is good to stop fertilizing at some point is a myth; plants at rest do not need fertilizer but it does no harm to them; 30-10-10 or 20-10-10 are better than 18-18-18 for steady fee... Read More

FERTILIZING: Enhanced Feeding

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago If properly controlled it produces more and larger flowers. A73-909+ 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: Paphiopedilums

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Dissolve six ounces of a 30-10-10 soluble fertilizer, or eight ounces of a 21-7-7- in 100 gals of water and apply monthly; or at 1/2 strength apply fortnightly. A72-631 Read More

FERTILIZING: Programme Recommended

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Monthly: one pound to 100 gals. water, or fortnightly 1/2 pound to 100 gals. of water; or 1/4 pound if applied weekly; tree fern, osmunda, so lite, holite and terrestrial mixtures require 10-10-10 ... 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

ACID OR ALKALINE: Changing the Values

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Various means can be used: tufa, a limestone form, can be added to paphiopedilums from limestone cliffs; bark composts acidify with age; peatmoss, pine needles, oak leaves in the mix produce acidit... Read More