'We talk to plants - they tell us how happy they are'
Vertical farming - growing plants indoors, on stacked levels, in a highly controlled environment - allows higher yields.
And now, the Gardin company hopes to further improve productivity, using sensors and artificial intelligence to assess individual leaves and suggest changes to each plant's environment.
BBC Click's Laura Goodwin reports.
See more at Click's website and @BBCClick, external.
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