Plant illumination device and greenhouse provided with a...

A - Human Necessities – 01 – G

Patent

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A01G 7/04 (2006.01)

Patent

CA 2667184

The invention relates to a plant illumination device for exposing to light plants that are to be grown in a greenhouse, which plant illumination device comprises: at least one lighting fitting with a first light source, which first light source is an assimilation lamp in the form of an incandescent lamp or a gas discharge lamp, the first light source having a first spectrum, and said first light source having a power of at least 250 W; - at least one additional lighting unit (5) with an additional light source, which additional light source has an additional spectrum which differs significantly from the first spectrum, and in which the additional spectrum complements the first spectrum in at least a wavelength range which plays a role in a biological process in the plants to be exposed to light.

L'invention se rapporte à un dispositif d'éclairage de plantes permettant d'exposer à la lumière des plantes qui doivent croître dans une serre, dispositif d'éclairage de plantes qui comprend : au moins un éclairage correspondant à une première source de lumière, la première source de lumière étant une lampe à assimilation se trouvant sous la forme d'une lampe à incandescence ou d'une lampe à décharge de gaz, la première source de lumière présentant un premier spectre et ladite première source de lumière possédant une puissance d'au moins 250 W, - au moins une unité d'éclairage supplémentaire (5) comportant une source de lumière supplémentaire, la source de lumière supplémentaire présentant un spectre supplémentaire qui diffère significativement du premier spectre et dans laquelle le spectre supplémentaire complète le premier spectre dans au moins une plage de longueurs d'onde qui joue un rôle dans un processus biologique des plantes devant être exposées à la lumière.

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