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The growing of plants without either soil or hydroponics but in a mist-laden atmosphere. quotations examples
The aeroponics system uses a spinner from a home humidifier to propel nutrient solution into a polyethylene-lined plywood box atop which plants are supported on plastic light-fixture “egg crating.”
1976, Richard W. Zobel, Peter Del Tredici, John G. Torrey, Method for Growing Plants Aeroponically, Plant Physiology, page Abstract