Hydroponics

Hydroponics was the process of growing plants without soil.

Tarron had no native trees, so the human colony there had to grow them hydroponically. (PROSE: Tarnished Image)

Before most of the population of Mondas had been converted to Cybermen, the humans living there had a hydroponics centre, which contained the only living plants on the planet. (AUDIO: Spare Parts)

The TARDIS landed in the cargo hold of the Hyperion III, next to the hydroponics centre where the Vervoid pods were stored. (TV: Terror of the Vervoids)

After the Dione-Kisumu Company left Yemaya 4, LEONARDO stayed with the colony there and helped monitor their hydroponics. (PROSE: Sleepy)

The food on the Joseph Conrad was produced hydroponically. (PROSE: So Vile a Sin)