FIELD: agriculture. SUBSTANCE: lamp has optically transparent torch, sealed electrodes, and metal halide filler. Built in torch is crystal screen incorporating pockets in the form of bubbles holding metal halide filler. EFFECT: improved yielding capacity of plant in greenhouses. 2 dwg
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MERCURY VAPOR GAS DISCHARGE LAMP FOR IRRADIATION OF PLANTS IN GREENHOUSES | 1992 |
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Authors
Dates
1997-06-27—Published
1992-06-02—Filed