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Commercial scale greenhouses on our rooftops


In the heart of Montreal, Canada, on 3 football fields (15,000 square meters) of roof-space sits a mega-greenhouse.

Large-scale roof-top greenhouses are growing in popularity, especially in urban areas. They are excellent for high-value crops or crops which require chilled transportation. This one produces 12,000 kilos of tomatoes & eggplants per week. 

And because of the tightly controlled environment, there are more crops per annum & more options around energy,fertilizer & water inputs. 

This greenhouse has a water system that collects & reuses rainwater, resulting in savings of "up to 90 percent" compared to a traditional farm.

What do you think?

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By Kylie Hargreaves (GAICD)

11 September 2020

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