Newly Posted Articles

PHALAENOPSIS: Temperatures for Flowering

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago It is induced by a period of cool nights at about 50 to 55 deg.F. A78-812; A78-998; from 55 to 60 deg. F. is advised. F74-68 Read More

PHALAENOPSIS: To Flower Them

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago Give them 55 to 58 dF at night for three full weeks, also an increase in light of 25% (to 1250fc. ), with more air circulation to cool the leaves. A88-155 Read More

PHALAENOPSIS: With Small Leaves

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago It can be caused by root loss due to salt buildup, or genetic limitations, may cause stunted growth; repotting in a fresh mix and watering more seems to be called for. A87-1174 Read More

PHOSPHORUS: Functions as Fertilizer

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago It is essential to root growth and is necessary for the production of flowers, fruit and seed. A70-139 -- functions, generally = it is abundant in seeds and young growing tissue; is taken up relati... Read More

PHOTOGRAPHY: Close-ups

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago A review of equipment available, ending with a recommendation that a microlens, a matched teleconverter, a set of extension tubes and a camera constitute a good compromise; refer to Ca81(3)-38; inf... Read More

PHOTOGRAPHY: Color Film Problems

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago Differences in sensitivity of color film as compared to the human eye; many lavender flowers seem to have high reflectance in the far red region of the spectrum where the eye has little sensitivity... Read More

PHOTOGRAPHY: Handbook

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago For advanced technology on all aspects of photographing orchid flowers refer to G.Seibels -- Handbook on orchid photography (A.0.S.,1980); notable for its avant-garde use for every shot of a black ... Read More

PHOTOGRAPHY: In 3-d

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago Requires no other special equipment for a standard single-lens reflex 35mm camera than an easily-made shiftbase for the tripod and a 3-D hand viewer; focus, shift the camera three-quarters of an in... Read More

PHOTOGRAPHY: Of Orchids

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago For advice on various aspects, refer to A70-814+; A71-232+; A71-592+; A71-594+; A71-1095+; A72-582+; A74-4+; A74-614+; OD69-194,289; OD70-9O+; OD71-281+ Read More

PHOTOGRAPHY: Professional Advice

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago Unusual pointers: on the tripod; white flowers differ from reds in photography; watching for shine on paphiopedilums; shadows and backdrops; black, floodlamps,different kinds of film; refer to OA82... Read More