FIELD: agriculture. SUBSTANCE: lamp has optically transparent envelope, hermetically sealed electrodes and metal halide filler. Electrode rods have closed spaces divided by partitions. Spaces are filled with metal halide filler in amount of 5-85% of its total mass. EFFECT: increased yield of cucumbers and tomatoes in greenhouse. 3 cl, 3 dwg
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Authors
Dates
1997-04-10—Published
1992-05-29—Filed