The company behind this farm have a nice website with a lot of specification / technical detail for their farm [1]. They claim that this farm will produce 10M

The company behind this farm have a nice website with a lot of specification / technical detail for their farm [1]. They claim that this farm will produce 10M lettuces per year on 3500m2. They are also looking for partmers to franchise their technology, inside and outside of japan. [1] http://spread.co.jp/en/technology/ http://spread.co.jp/en/technology/