Category: Culture

WIRE: Barbed Wire for Hanging Plants

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago The barbs keep the mounts in their places; other wire useful in greenhouses is the type sold for electric fences, cheap and rust resistant; galvanized clothes line is useful and can be straightened... Read More

BLUE METAL: Ingredient in Potting Mixes

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago Used in Australia, described as an essential part of a mix: 4pts. bark to lpt. blue metal (not otherwise identified, presumably an aggregate); to each four gallons of mix add three gallons of water... Read More

FERTILIZERS: Organic, Made From Living Organisms

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago Animal manures, fish emul- sion, seaweed emulsion; bone meal, cottonseed meal, etc.; strengths vary and most require dilution; believed to contain natural salts and hormones which cannot be synthes... Read More

ROOTS: Old Ones

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago Experiments with root absorption of a trace element: showed that old roots continue to function and are of value to the plant. ORII-210. Read More

ROOTS: Outside Pots

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago Why do they grow so vigourously?; it is because of too much watering, or the medium is too poorly aerated or dense. A69-55 Read More

PEAT MOSS: Handling

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago Persons handling peat moss can contract sporotrichosis an unpleasant fungus infection which can enter the skin through nicks and abrasions, or be inhaled; the first is usually mild and is treated w... Read More

CORK BITS: For Potting Cattleyas

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago Tree-fern is preferred over cork bits usually; cork slabs need osmunda, sphagnum moss or tree-fern pads to start the roots. A80-960 Read More

PERLITE: As Potting Mix

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago A processed volcanic material, sized, but best for orchids over one-eighth inch in size; inert; inorganic; requires a balanced fertilizer such as 20-20-20 if used alone; mainly used as an ingredien... Read More

PERLITE: Composition

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago It is a calcined mixture of, principally, gypsum (Calcium sulphate) and white clay, with small amounts of other materials all heated to very high temperatures to cause incipient fusion and causing ... Read More

SHADING, GREENHOUSE: Paphiopedilums

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago In New Jersey it is recommended to apply about 75 to 80% shading; or a light transmission of only 20 to 25%. A74-708 Read More