Category: Culture

POTTING MEDIA: The Fine Ingredients Can Be Harmful

Author is Robert M. [Bert] Hamilton (Compiler), posted about 7 years ago In an open mix do not add such things as peat moss, or sand as they cause rotting of the roots, excess water retention, salts retention, and black rot. AU84-202 Read More

POTTING MEDIA: Water Retentiveness

Author is Robert M. [Bert] Hamilton (Compiler), posted about 7 years ago To reverse the usual levels of wetness try large polystyrene chunks at the bottom of the pots, large cork bits or wine corks in the middle and top it off with an inch of peat and perlite; it is enh... Read More

POTTING: Common Faults

Author is Robert M. [Bert] Hamilton (Compiler), posted about 7 years ago The usual ones are: repotting at the wroag season; overpotting; not taking enough care in dividing plants; placing the back end of a sympodial too far down in the mix to get it upright; not repotti... Read More

POTTING: Overpotting of Seedlings by Design

Author is Robert M. [Bert] Hamilton (Compiler), posted about 7 years ago A reasonably safe method is to choose a well-drained container which avoids sogginess, such as a Rand Aircone plastic pot and use a mix of coarse pebbles as drainage, then a layer of hardwood charc... Read More

PUMICE: As a Cymbidium Medium

Author is Robert M. [Bert] Hamilton (Compiler), posted about 7 years ago It is not considered as good as bark; in an experimental growth trial lasting three years the plants in pumice became smaller, the root system poorer than those in bark, with the root system showin... Read More

REDWOOD BARK: Characteristics

Author is Robert M. [Bert] Hamilton (Compiler), posted about 7 years ago It is very acid; prevents fungi from growing; more nutrients become available in slightly acid medium rather than in alkaline. F72-136 Read More

REPOTTING: Neglected

Author is Robert M. [Bert] Hamilton (Compiler), posted about 7 years ago Masses of roots and growths developing outside a pot results in extensive root damage; wait for new roots to show on newest leads; treat the plants as invalids for a month. A67-565 Read More

REPOTTING: Rooting Hormone

Author is Robert M. [Bert] Hamilton (Compiler), posted about 7 years ago For cymbidiums use a solution of B-One or Superthrive every ten days to aid rooting. OD74-42 Read More

REST: "semi-dry" Rest

Author is Robert M. [Bert] Hamilton (Compiler), posted about 7 years ago Is it possible to describe "semi-dry" water?; or is this an obfuscation for a type of rest period complete with light spraying with water to keep the pseudobulbs from shrivelling?; plus the rebutta... Read More

REVERSE OSMOSIS: Water Treatment

Author is Robert M. [Bert] Hamilton (Compiler), posted about 7 years ago An outline of techniques and apparatus used to grow a variety of plants in Canadian peat moss in California using an apparatus and a meter to measure the contents of dissolved solutes (salts and wa... Read More

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