Greenhouse vegetable production has expanded significantly
From 1990 to 2010, Canada's greenhouse vegetable industry experienced significant growth. Greenhouse tomato production grew from roughly 60 million pounds in 1990 to 544 million pounds in 2010, while pepper production rose nearly 30% from 2007 to 2010 alone. Farm gate value of cucumbers increased almost tenfold from 1990 to 2010, rising from $29 million to $265 million.
Specialized greenhouse operations employed 10,180 permanent and seasonal workers in 2010, mainly in Ontario, British Columbia and Quebec. That year, the farm gate value of greenhouse vegetable production was over $1 billion, exceeding that of field-grown vegetables, including potatoes.
To increase yields, growers have embraced different technologies, such as hydroponics (when plants are grown in nutrient solutions). Though the monitored internal climates of greenhouses can provide optimal growing environments year-round, operations are usually reduced between December and February, when the costs of maintaining adequate light and temperature are highest.
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