hydroponics defined in 1951 yearhydroponics - hydroponics;
hydroponics - System of large-scale plant cultivation developed from 'water-culture' methods of growing plants in the laboratory, in which their roots dip into a solution of nutrient salts or in which the plants are allowed to root in some relatively inert material. e.g. quartz sand, which is irrigated with the nutrient solution.
near hydroponics in Knolik
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