Food & agriculture · 1929

Hydroponics

William Gericke grew 7.5-metre tomato vines in nutrient water with no soil at all.

Building on Liebig's nutrient chemistry, Gericke at UC Berkeley promoted soilless crop culture from 1929. It later fed troops on barren Pacific islands and is the basis of modern greenhouse and vertical farms.

See it in the living treeWikipedia