You searched for: “hydroponics
hydroponics (s) (noun) (no pl)
The process of growing plants without soil: Hydroponics can take place in beds of sand, gravel, or similar supporting material flooded with nutrient solutions.

Hydroponics can also refer to the cultivation of plants in a nutrient liquid with or without gravel or another supporting medium.

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Hydroponics: Soilless Production of Crops
The Soilless Production of Crops or Hydroponics elements.

This entry is located in the following unit: Index of Scientific and Technological Topics (page 2)
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(a description in which plants can be produced in containers filled with water and a number of other non-soil contents)