FIELD: irradiation of plant. SUBSTANCE: unit has radiation source, control gear, and light-beam instrument. Radiation source is metal-halide mercury-free lamp generating beams with following energy distribution in photosynthesis radiation area: 400-500 nm 30-40%; 500-600 nm 35-45%, 600-700 nm, 25-35%. Lamp filler has following composition, mg/cu.cm: sodium halide - 0.1-3; thallium halide - 0.05-1; indium halide - 0.02-1. EFFECT: improved design. 2 cl, 1 dwg, 1 tbl
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Authors
Dates
1995-05-20—Published
1993-03-02—Filed