Citation management tools allow a user to organize and retrieve information, such as citations for books, articles, and Web sites, by interfacing with library databases.
LIGHT: African violets are grown indoors. They like bright, but filtered, sunlight. Do not place in direct sun. They can also be grown under florescent lights. The lights are usually suspended 12 to 18 inches above the violet for 8 to 14 hours a day.
1 Violet color corresponds to a radiation of maximum frequency (7.6 x 10^14 Hz.) and minimum wavelength (380nm). 2  Indigo color corresponds to wavelength of 430-460nm. 3  Blue color corresponds to the wavelength of 460- 500nm.4  Green color corresponds to the wavelength of 500-560nm. It is only this part which our eyes can see. 2  Visible light is produced from stars, arc lamps and glass enclosed tungsten filaments. 3  It lies in a narrow range of wavelength between 300nm to 760nm. 4  It lies between the Ultra-violet radiation and Infra red radiation of the electromagnetic radiation [EMR].