Category: Orchid Doctor

FERTILIZERS: Proper Frequency and Strength

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago In plants fertilizer-nutrient is only about 1% of the green weight; water temperature, light, humidity and air are far more important; recommendation: fertil- ize not more than fortnightly, with 1 ... Read More

FERTILIZERS: Proportions

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago One teaspoon per gallon is equivalent to one pound per 100 gallons of water. OD71-95 Read More

FERTILIZERS: Seasonal Changes

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago If plants are in a bark mix, prosper from a 30-10-10 mix all year round; for those at rest, do not water or fertilize. A81-1223It is a fallacy to change fertilizers according to season; it is a bel... Read More

FERTILIZERS: Should Vary with the Medium Used

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago For osmunda; tree fern, terrestrials, Holite, Solite, etc., use 10-5-8 at 1 gram per liter of water; for bark use 30-4-8 at 1.15 grams per liter. Hort. reviews 5,358 Read More

FERTILIZERS: Slow Release Fertilizers

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Include Golden Vigoro, Mag-Amp, Nitrophoska (Aus.), Osmocote, QUE Slow Release, etc. RMH Read More

FERTILIZERS: Survey of Contents

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Nutrient element content of commercial fertilizers such as Peters, Plantprod, etc., plus their trace elements for 13 differ- ent chemicals listed; refer to OA87-201 Read More

FERTILIZERS: Tailored Feeding Plan

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago 1st week: fish emulsion; 2nd week: for vegetative growth 30-10-10 but plants making roots or flowers get 7-28-15 and resting plants get only water; 3rd week: all plants 18-18-18 except C.mossiae ty... Read More

FERTILIZERS: To Promote Better Flowers

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago A wide-spread error is that high-phosphorous fertilizers promote more blooms; however, a deficiency of phosphorous does inhibit blooming; a soluble 15-30-15 fertilizer at 1 tpg. about once every tw... Read More

FERTILIZERS: Top Dressing

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago In late spring top-dress the pots with a physical blend of Milorganite or other processed sewage, plus dried blood in a 2 to 1 ratio. OA80-81 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