INSTALLATION FOR PLANT IRRADIATION Russian patent published in 1996 - IPC

FIELD: agriculture. SUBSTANCE: invention specifically refers to field of vegetable growing in structures of protected soil. Metal-and-halogen lamp with following distribution of energy density over spectral ranges: 400-500 nm - 33 ± 5%; 500-600 nm - 34 + 5%; 600- 700 nm - 33 + 5% is used in the capacity of radiation source to increase productivity of growing and improve ecological control over installation. In composition of filling agent of metal-and-halogen lamp there are used halogenides of cerium and cesium in volumetric concentrations correspondingly from 0.02 up to 2.5 and from 0.05 up to 3.0 mg/cu.cm. EFFECT: increased productivity of plant growing, improved ecological control over installation. 2 cl, 1 dwg, 1 tbl