Plenty of Letuce!
Using only 1% of water, if compared to a farm in the countryside, an indoor farm in Japan uses LED lamps and hydroponics system for producing lettuce 2.5 times faster.Thinking of future, growing food in factories makes. a lot of sense with technology help to build efficient production lines that work as nature to foster biomass with light, water and minerals.
Transforming industrial buildings in agricultural factories in urban areas with space for outdoor production can be a solution to build a sustainable food system.
In Miyagi Prefecture, in eastern Japan, the physiologist Shigeharu Shimamura shows how this is happening inside a former semiconductor plant of Sony Corporation. The plant is now the largest farm in the world illuminated by LEDs. With a dimension of 25.000 square meters, the factory produces 10 thousand heads of lettuce per day. Every day.
The loss is estimated at only 10% of production, while in conventional plantations reaches 30-50%. The LED lamps were developed by GE and emit wavelengths of light ideal for groowth. The LEDs were designed to fit the spaced racks and allow for an uniform lightning for all the plants in the high humidity environment.
Shimamura says: “Finally, we are about to start the actual agricultural industrialization”, which will feed 10 billion people.
Source: Tree hugger, July 10
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