Category: Culture

FERTILIZERS: 30-10-10 with Soil Acidifiers and Chelated Iron

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago A suitable fertilizer, use 1/2 tpg. at every watering but let 10% of the liquid run out of the pot for leaching action. A74-114 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

CARBON DIOXIDE: How to Create it in a Greenhouse

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Burn candles or an alcohol lamp. A70-725 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: 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

CARBON DIOXIDE: Fact or Fiction

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Answers to questions: what is it?; is it important?; why use it?; is it safe?; does it fertilize plants?; soil fertility levels?; greenhouse temperatures?; ventilation?; checking C02 levels; crop r... Read More

PH OF WATER: Softeners

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago De-ionization produces excellent water for orchids; salt, or ion, displacement does not; chemical supply houses sell small laboratory de-ionization or de-mineralizer units. A80-4 Read More

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: Organic Types

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Made of relatively insoluble materials as bone meal, dried blood, hoof meal, rock phosphate, etc.; must undergo decomposition before nutrients can be released; the materials slowly decompose; apply... Read More

CARBON DIOXIDE: Ethanol and Methanol Alcohol Burning to Heighten Carbon Dioxide Content of Air

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Satisfactory if burned in greenhouse in small amounts; alcohol flame is invisible by day and dangerous. A69-242 Read More