FIELD: agriculture. SUBSTANCE: main screen together with additional reflecting screen are fixed on corresponding cantilevers. With sufficient daylight stream, additional reflecting screen together with main screen form united reflecting natural light surface. In case of switching sources of radiation on, additional reflecting screen is being driven in opposite position and together with main screen forms reflecting dome, that embraces source of radiation and directs its light stream to plants. EFFECT: apparatus to grow plants is used in agriculture. 3 cl, 2 dwg
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Authors
Dates
1995-02-20—Published
1992-12-31—Filed