IRRADIATION SYSTEM OF PLANTS IN A GREENHOUSE Russian patent published in 2020 - IPC A01G9/20 F21S4/00 

FIELD: agriculture.

SUBSTANCE: invention relates to the field of agriculture, in particular to a system of irradiation of plants in a greenhouse. System comprises main light sources – sodium lamps and additional light-emitting diode lamps with a combination of several types of light-emitting diodes. Radiation peaks of blue light-emitting diodes fall at wavelengths of 440–460 nm and 480–490 nm. Number of main light sources in the greenhouse is equal to the number of additional light sources. Main and additional light sources are arranged on the area of the greenhouse uniformly at the same height. Structurally, a combination of all types of light-emitting diodes is mounted on one luminaire, wherein the fraction of the radiation flux of light-emitting diodes of each luminary in ranges is 13–19 % in blue and 7–12 % in the far-infrared light from the stream of the sodium lamp. Streams emitted by light-emitting diodes are focused by lenses with angle of 85–95 degrees, intracavity LED sources with the same spectral characteristics as upper illumination sources are used, which receive electric power from common group driver located outside the cenosis.

EFFECT: use of the invention will make it possible to improve the quality of the obtained products.

1 cl, 2 dwg, 2 tbl, 3 ex