Category: Culture

AIR SPACE: For Insulation

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Ideally, the air space between two covers should be approximately one and a half inches thick; spaces of three-quarters to eight inches are used; below three-quarters inch the effectiveness is rapi... Read More

CHARCOAL: Supermarket Type Is Useful

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago But not if it is processed into briquettes which have a petroleum binder. A75-876 Read More

CORK BARK: What Orchids Grow on It?

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Many epidendrums, oncidiums, small dendrobiums, and cattleyas will grow on cork slabs; ground cork pieces, if medium bark sized, can be used instead of bark but they hold less moisture than fir bar... Read More

AIR MOVEMENT: Improvement in Growing

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Fans blowing air directly on plant bring tremendous benefits; air is the ingredient that makes heat, light, humidity, water, work together. OD68-275; OD70-220 Read More

AGGREGATES, LIGHTWEIGHT: As Potting Media

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Made from clay or pulverized fuel ash or fired shale; cheap, clean, hold water, do not float, or rot, can be reused or mixed with sphagnum,etc.; Taclite, Lytag, Leca, etc.; refer to OR76-160 Read More

CHARCOAL: Used in Potting Mixes

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago It is popular in England and S.E.Asia; comprises 15 to 30% of the mix in England. A79-584 Read More

AGAR, LIQUID: With Glasswool Substrate

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Produced superior growth of paphiopedilum seedlings over solidified agar. A76-12+ Read More

ACID-LOVING PLANTS: Acid Fertilizers

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Orchids benefit from Miracid (30-10-10); considered an excellent formulation. A77-43 Read More

CHARCOAL: Properties

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Investigation of cationic exchange capacity; retention of nutrients; bacterial activity; high water holding capacity; and a high bacteria activity; feed organic type fertilizers to it; lasts foreve... Read More

COPPER: Effect on Orchids

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago They are sensitive to copper; metal stakes containing copper might be toxic. A61-54They are sensitive to it; metal stakes containing it may be toxic; citrus trees in the tropics sprayed with a copp... Read More