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Urban Farm DB summary

A report from a project called "The sustainable greenhouse as a complement to buildings," funded by Sweden's Delegation for Sustainable Cities, describes solutions for cultivating under roofs in or close to dwellings that researchers, consultants, and students developed, tested, and evaluated during 2013. These included a plot in a rooftop greenhouse, a circular cultivation balcony, and kitchen or living-room cultivation using combined fish-and-vegetable furniture, a green wall, a green lamp, or a wall-mounted green frame, preceded by a literature survey of examples from cities worldwide. The results show many inspiring international examples of cultivating under roofs and some momentum behind the practice, but the practical trials found that while urban agriculture seemed challenging and appealing to many, the tested solutions tended to be too expensive and too time-consuming; people who liked cultivating did so because it was enjoyable and produced good-quality crops, and while reducing environmental impact was also cited as a motivation, the trials indicated productivity would need to be higher than what was achieved for the products to be considered "climate-friendly." Growing fish at home proved unpopular, with many participants finding the idea of slaughtering the fish themselves unpleasant. Other project outputs included four prototype water-cooled LED lamps installed in a fish-and-vegetable production unit and drawings and cost estimates for a cultivation bench; further study is proposed on light and nutrient requirements and productivity measurements for under-roof cultivation, along with lower-cost glass-cultivation solutions.