Category: Culture

WOOD: Pieces of Wood for Mounting

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago How to clean it is to strip the moss off the wood, spray it with Cygon 2E, Diazinon or Malathion, and then use it. A77-449 Read More

OFF MIX: Composition, Altered

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago 7 pts. fir bark medium size, 1 pt. coarse German peat, 1 pt. Palco wool; to each cu.ft. add: 3 lbs. pulverized limestone, 1 lb. single superphosphate, 1/2 lb. processed tankage, 1/2 lb. of 5-10-5 f... Read More

GXBBERELLIC ACID: Effect on Cymbidiums

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago Three bulb divisions were treated with Ethylene Glycol Ether Gibberellate 0.6% in a solvent 5.1 acetone; isopropanol system; spray was directed at spikes using atomizertype hand spray to point of r... Read More

GXBBERELLIC ACID: Effect on Dendrobiums

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago The acid at four different concentrations was used on 325 pseudobulbs; treatment with 7.5 ppm. soaked for ten minutes twice with one day interval produced the most sprouts. A62-986+ Read More

GYPSUM: Supply of Calcium

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago It is not highly alkaline, is available as a powder which should be useful in a tight potting mix but will wash out of a loose or open mix; pellets of it can be made by mixing Plaster of Paris with... Read More

TERRESTRIALS, NATIVE: Formula for Potting Soil

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago For Australian terrestrials a good mix is made up of 50 to 60% of sharp, washed river sand, 20% German peat, and 20 to 30% of decayed Eucalyptus leaf litter, or sawdust chips. A77-984For U.S. types... Read More

COCONUT HUSK: As Potting Medium

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago Dendrobiums in Thailand flourish on it; the Den. phalaenopsis types are most successful; preparation details given; procedures followed; refer to A61-9; F78-106+In Florida use it wet; pot fluffy; d... Read More

FERTILIZERS: Balanced

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago It provides nutrients in these ratios: 1 molybdenum, 60 copper, 200 boron, 200 zinc, 500 manganese, 1000 chlorine, 1000 iron, 10,000 sulphur, 20,000 magnesium, 20,000 phosphorus, 50,000 calcium, 10... Read More

FERTILIZING: Signs of Over-fertilizing

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 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

OUTDOORS GROWING: New England Area

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago Grow them in a lath house; for details of placement, watering, fertilizing, spraying, etc. refer to ODA75(2)-21+ Read More