GREENHOUSE IN BLOCKS Russian patent published in 1997 - IPC

FIELD: agriculture, in particular, plant growing in protected ground constructions. SUBSTANCE: transparent greenhouse with artificial illumination system has light-impermeable fencing 1 and block separating barriers 2, radiation sources 3 positioned along barriers 2 in their upper part and provided with movable baffles 4. Radiation sources 3 are enclosed within light-corrective chambers 5 with cylindrical or prismatic inner surface, whose side walls are composed of three segments in the form of narrow-band spectrum filters with maximum falling light flux transmission coefficient of 380-500, 500-600, 600-700 nm, respectively. Baffle-type light-reflective screen 11 is suspended in greenhouse below fencing 1. Chambers 5 and baffles 4 are attached on greenhouse members for rotation about chamber axis. EFFECT: increased efficiency, improved plant growing conditions and enhanced reliability in operation. 2 cl, 9 dwg