FIELD: agriculture, production of vegetables in greenhouses with hydroponic plants. SUBSTANCE: hydroponic plant has carcass with inclined beams carrying plant growing troughs, heaters positioned below troughs. Power of each subsequent heater, beginning from upper end of beam, exceeds that of previous heater. EFFECT: increased efficiency by uniform irradiation of plants and improved yield. 2 dwg
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DEVICE FOR GROWING PLANTS | 1993 |
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Authors
Dates
1997-07-10—Published
1993-04-13—Filed