DEVICE FOR IRRADIATION OF PLANTS Russian patent published in 1995 - IPC

FIELD: agricultural engineering. SUBSTANCE: device has vegetation units 7 with frames 6. Trays 9 for plants 3 are mounted by means of brackets 5 on the frames and on the greenhouse base. The first group of radiation sources 11 is located over the trays between units 7, and the sources are provided with reflectors 12. The other group of radiation sources 14, 15, 16, 17 is located inside units 7, and the sources are designed so that they decrease the ratio of energy flow in the spectrum 600-700 nm and total flow of energy in the entire spectrum of every source of radiation from 60-80 to 30-40% with increase in height of position of the sources relative to the greenhouse base. This arrangement allows for the crop yielding ability to be improved by 15-20%. EFFECT: higher crop yielding ability; improved quality of crops. 3 cl, 1 dwg, 1 tbl