Category: Culture

SHADING, GREENHOUSE: Light Transmission Recommended

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago For New Jersy, for general purposes 30 to 35% light transmission is recommended; that is 60 to 75% shade. A74-708 Read More

SHADING, GREENHOUSE: Liquids

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Some have to be mixed 24 hours ahead to set; longer-lasting quality is improved by adding 1/2 pint raw linseed oil to five gals, of finished ready-to-apply mix, but added before the water. A66-587 Read More

SHADING, GREENHOUSE: Paphiopedilums

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 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

SHADING, GREENHOUSE: Plastic Bags

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago They can be used successfully; beige colored garbage bags transmit good natural light; slit them and shape and squeegee onto damp glass. A70-527 Read More

SHADING, GREENHOUSE: Plastic or Metal Materials

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago In Florida metal lath for a shade house, pitched instead of flat is preferred because it provides better circulation and is cooler than Saran which restricts air movement. F73-77 Read More

SHADING, GREENHOUSE: Polyethylene White Film

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago "highway white" used for shading reduced light by about three-quarters; foot-candles were reduced from 2,500 range to 1,500 in California. A68-596 Read More

SHADING, GREENHOUSE: Whitewash

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Apply it gradually over several weeks in spring to get the desired amount for summer; in fall remove what remains after rains, also gradually, to condition the plants to brighter light. OD65-17 Read More

SHADING, ECLIPTIC: Permanent with No Movable Parts

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago The amount of shading changes with the inclination of the sun; for the south end of a greenhouse; like a fixed Venetian blind; slats are set so low that the winter sunlight enters, but the high sum... Read More

SLABS: Kinds in Use

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Palm logs; tree-fern; cypress. A77-49; cork, bark (general); hardwood, cedar, redwood. A74-769 Read More

FERTILIZERS: Organic or Inorganic

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Bacterial activity is low at 50 deg.F. (10 deg.C.) so it is better to use inorganic types of fertilizer in cold weather;use an organic in warmer temperatures. AU73-185Both can be used; liquid organ... Read More