Heavy lettuce with low nitrate level even without daylight

The restaurant at the High Tech Campus, Eindhoven, the Netherlands, serves various types of lettuce that have never previously seen the light of day. They are crispy and tasty and are a good match for any greenhouse lettuce. One hundred metres further up the road, researcher Stefan van de Voort is growing the lettuce and herbs in fully enclosed climate cells. They are produced under LED lighting at the new research facilities set up in this town that has become synonymous with lighting.

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