Newly Posted Articles

BLISTERS: On the Tips of Leaves

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Not uncommon; are due to various causes; will not spread or cause harm. A72-204 Read More

AIR MOVEMENT: Pros and Cons

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Why should air be changed every minute for best effects?; too much is detrimental and uneconomic, it dessicates media, increases colder temperatures; just enough is helpful by moderating temperatur... Read More

FLUORESCENT LIGHTS: Two-tube 48" Fixture

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Gives inadequate (600-800 fc.) lighting two to three inches from plants; a four-tube 48" gives 800-1,000 fc. four to six inches away. A78-226; eight tubes for 16 square ft. recommended, with a 60-w... 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: 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: For Greenhouses

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Recently developed products include "Vari-Shade" a coating; "Ripple glass" which allows good light to pass through and alleviates the need for shade; "Papronet" a netting for shade made of polyprop... Read More

SHADING: Lath Blinds

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago These can be used to reduce the heating effect of sunlight and not its intensity by a compromise in lath blinds; raise parallel runners about nine inches above the glass and rest the rolled-up lath... Read More

SHADING: On a Fiberglass Greenhouse

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago To vary the shade with the season; if the fiberglass corrugations run east-west, the high curves can be shade-painted leaving the trough area of strips clear to provide about 30% shade and as the s... Read More

INTERGENERICS: Species Used

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago In the odontoglossum alliance, the hybrids and their ; characteristics; contributions from other genera such as oncidiums, brassias and miltonias. W10-227;235Mainly the oncidium alliance this time ... Read More

KEIKIS: On Paphiopedilum Roots

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Some originate growth on roots, outside the leaf axils, which suggest the possibility of further propagation. A82-21 Read More