Business and Housing

The lamps give the plants a light complementary to the natural light is often helpful. To complement the natural light we can use one of the following options:

* Incandescent: These are the bulbs. Produce light (red and infrared) by phenomena filament filament, heated by the passage of electrical current. A lot of heat and consume large amounts of electricity, so its performance is very low. They can also burn plants if placed too close.

System is cheaper, but not recommended. If you have no choice, at least attempt to use bulbs that are more effective because it focused beams of light by reflectors.

Lamps * Mercury Vapor (MV) produce light (white, blue and green) by passing electric current through mercury hot gases at high pressure.

They are used during the plant growth because of its high emission in the blue spectrum, but are poor in the red zone so not promote flowering. They are very efficient in power consumption.

* Mixed Lamps (incandescent and mercury vapor): Combination of a mercury vapor lamp under high pressure with an incandescent lamp.

This will get the red radiation necessary for the stimulation of flowering indoor plants. The problem is the high cost of use, the greatly reduced light output compared to the mercury vapor lamps.

* Fluorescent: Actually there are mercury vapor lamps, but at low pressure. Produce light (mainly blue and red, although much depends on model) using fluorescence phenomena of gas subjected to an electric arc.

They are well suited for growth, for the stems and rooting cuttings, so it is recommended especially during the early stages of the plants. They are fairly inexpensive, have high light output and do not emit too much heat. The main problem is that a lot of space.

* Metal halide lamps (MH) lamps are mercury vapor which is added in the discharge metal halide, have succeeded in improving considerably the ability to reproduce color.

Produce a white light, slightly bluish, very suitable for germination, rooting cuttings and vegetative growth. Are cheaper than the mercury lamps, but have lower performance (spend more electricity to produce the same light.)

* Vapor lamps high pressure sodium (HPS): produce light (yellow and anarajanda) by electric discharge in a tube containing sodium vapor at high pressure. Without doubt, the best, because they emit more light and less heat.

Provide all the spectra of light necessary for growth and flowering of plants. If you can afford your plants will notice also will repay a little expense, since they are very efficient in power consumption.

In any case, the best artificial lighting system is achieved by combining different types of lamps according to the growth stage of crops, fluorescent or metal halide lamps during the early stages vapor lamps and high pressure sodium for flowering.

We must also take into account the readiness of the lamps. Should be just above the plants at a distance where you can get the most light without damage. This distance varies according to season, plant, lamp type and intensity.

In general, plants grown for their flowers should be about 20-30 cm, but most foliage plants should be placed at a distance of about 30-40 cm.

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