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Posts Tagged ‘efficient’

 

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Photo: Thomson Reuters Foundation/Rina Chandran
A small farm on top of a mall grows herbs and leafy greens in a high-tech urban farming model that could improve Singapore’s food security.

As agricultural land becomes more scarce around the world, we can all learn from the way tiny Singapore is using rooftop gardens to help feed the population.

Rina Chandran at Reuters writes, “Visitors to Singapore’s Orchard Road, the city’s main shopping belt, will find fancy malls, trendy department stores, abundant food courts — and a small farm. Comcrop’s [6,450-square-foot] farm on the roof of one of the malls uses vertical racks and hydroponics to grow leafy greens and herbs such as basil and peppermint that it sells to nearby bars, restaurants and stores. …

“Comcrop’s Allan Lim, who set up the rooftop farm five years ago, recently opened a 4,000-square-metre farm with a greenhouse on the edge of the city. He believes high-tech urban farms are the way ahead for the city, where more land cannot be cultivated. …

“Singapore last year topped the Economist Intelligence Unit’s (EIU) Global Food Security Index of 113 countries for the first time, scoring high on measures such as affordability, availability and safety.

“Yet, as the country imports more than 90 percent of its food, its food security is susceptible to climate-change and natural resource risks, the EIU noted.
With some 5.6 million people in an area three-fifths the size of New York City — and with the population estimated to grow to 6.9 million by 2030 — land is at a premium in Singapore.

“The country has long reclaimed land from the sea, and plans to move more of its transport, utilities and storage underground to free up space for housing, offices and greenery. …

“Urban agriculture currently produces as much as 180 million metric tonnes of food a year — up to 10 percent of the global output of pulses and vegetables, the study noted. Additional benefits, such as reduction of the urban heat-island effect, avoided stormwater runoff, nitrogen fixation and energy savings could be worth $160 billion annually, it said. Countries including China, India, Brazil and Indonesia could benefit significantly from urban agriculture, it said.

” ‘Urban agriculture should not be expected to eliminate food insecurity, but that should not be the only metric,’ said study co-author Matei Georgescu, a professor of urban planning at Arizona State University.

” ‘It can build social cohesion among residents, improve economic prospects for growers, and have nutritional benefits. In addition, greening cities can help to transition away from traditional concrete jungles,’ he said. …

“At the rooftop farm on Orchard Road, Lim looks on as brisk, elderly Singaporeans — whom he has hired to get around the worker shortage — harvest, sort and pack the day’s output.

” ‘It’s not a competition between urban farms and landed farms; it’s a question of relevance,’ he said. ‘You have to ask: what works best in a city like Singapore.’ ”

The article was reprinted by the World Economic Forum and can be found here. One weird thing about this story: There are still small farms in the countryside, but they are not as efficient as the rooftop gardens and will be cleared — to give the land back to the military. Now, that is truly bizarre.

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I’m grateful to Scott, a former colleague, for putting this cool thing on Facebook. Looking at these healthy, growing plants is especially warming today, now that the temperature has gone back to 15 F.

Tim Blank at Future Growing LLC (which produces vertical aeroponic food farms) writes, “When you hear about a farm that supplies all-natural, sustainable produce, using 90% less water and 90% less land, one that utilizes the most advanced vertical aeroponic technology on earth, you surely would not guess it would be an Amish farm.

“Yet in Topeka, Indiana, you cannot get produce that is more local, fresh, healthy, and sustainable — even in the middle of an Indiana blizzard — like you can get at Sunrise Hydroponics, an Amish farm.

“Sunrise Hydroponics is owned and operated by husband-and-wife team Marlin and Loretta Miller on their rural farm in Topeka. I have had the privilege of working with the Amish community for more than half a decade, and have come to learn that, while their lives seem simple to many outsiders, their homes, farms, and businesses are highly innovative. The Amish utilize cutting-edge and creative forms of technology to improve their lives, while still falling within the guidelines of their belief system.” Read more here.

Greenhouse at Sunrise Hydroponics

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