Abnormally light green foliage. Plant Responses to Inadequate Irradiance. Reduced postharvest life. Lamps for Lighting Incandescent Lamps. Wave lengths predominantly in the red area.
Much radiation is in the red and infrared region.
These lamps are expecially useful for extending the daylength. These lamps must be kept a safe distance from the plant so that the plant won't burn. The lamp is uncomplicated, installation costs are relatively low, a number of lamp wattages are available, external or internal reflectors are needed to maintain effeciency. Tubular Fluorescent Lamps. These are low pressure gas discharge lamps.