Gallery: Lufa Farms Brings Large-Scale Rooftop Farming To Montreal

The greenhouse itself has been well thought out at every level. They have investigated what conditions suit each type of food grown, to maximise yield. They use a rainwater harvesting system to put a minimal burden on the cities water supply, and then recirculate the water used to irrigate the plants. Their reasoning is that when nutrient-rich water finds its way into the public water system it helps algae grow, thus potentially causing an additional problem. In terms of heating the large internal space, they contend that the heat island effect of the city is beneficial to them. Being placed on top of a heated building also reduces their heating requirements, and have developed a simple means of enclosing the plants in transparent curtains when the temperature drops. A natural gas heating system is in place, but is only called upon in the more extreme Montreal winter conditions.

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1 Comment

  1. bthinker September 13, 2012 at 10:16 pm

    I <3 Industrial sized greenhouses on-site of production. People really aren't aware how much more fullproof and secure this growth method is. Grats to Lufa. That whole town just got a failsafe to environmentally caused food shortages :)

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