FIELD: agriculture. SUBSTANCE: greenhouse has vegetation blocks with triangular frames 3 with fitted on pans for 4 for growing plants 5, plant irradiation system with optical radiation sources and heating system with heating elements. The latter are arranged under bottom of at least one pan 4 in each vegetation block. Control unit has switching arrangements with change-over and two making switches. EFFECT: reduced power consumption, enhanced uniformity of irradiation and heating of plants, increased yield. 6 dwg
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Authors
Dates
1996-02-20—Published
1992-12-23—Filed