A firm has already built over 50 food gardens.
There is an effort to reduce Singapore's reliance on imported food.
Reuters reported that the imports more than 90 percent of its food, much of it from neighboring countries, which can leave it exposed to potential supply chain disruptions.
Edible Garden City, a company with a grow-your-own-food message, has designed and built more than 50 food gardens in the tropical city for clients ranging from restaurants and hotels to schools and residences.
One of its projects is Citizen Farm, an 8,000 square meter plot that used to be a prison, converted into an urban farm "where the local community can learn and grow together", according to the project website.
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