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in this industrial zone half an hour drive south of downtown San Francisco vertical farm plenty says its newest farm with a growing room the size of a basketball court we'll be able to serve over one hundred grocery stores it's last farm could serve only three stores and some restaurants plenty unveiled the farm in June to the media and while we were allowed to walk around seeing to , super clean , he didn't want cameras inside and provided this video instead it says it's protecting its secret sauce robots that puts seedlings into long strips that are hung on to the ceiling and moved into this grow room where plants spend ten days before harvest I'm Jim money Lee in south San Francisco at Plante's farm to match the amount of green is that this one room grows outdoors the company says you would need a field roughly two hundred fifty times the size it's not just feeding on acreage the new factory uses less than five percent of the water traditional farming uses it saves on labor with automation and cut its carbon footprint as it's near the urban center being indoors it also eliminates the risk of floods droughts searing heat or cold that traditional farmers grapple with but while machines electricity and locations near city centers can be costly plenty insists it can produce a product at a competitive price we're competitive with organic today %HESITATION and we're working very hard to get to continue to to make more and more crops grocery store competitive top vertical farm growers tell Reuters a drop in LED light prices and automation is pushing down cost and finally giving the high tech growers a chance at stocking hundreds of stories they've also been able to speed up the growing process so two years ago %HESITATION we were using things like ladybugs were using predatory insects would come in and eat anything if it got into the system and today we don't need to use anything we not use no pesticides I we don't even have to use things like lady bugs because we go so fast in our production that we out race the pests themselves vertical farms are just sprouting up in Silicon Valley on the east coast New York City based Barry says it already sells its bounty to dozens of stores and a new farm coming soon will expand that took hundreds and Errol farms in New Jersey said , it's built its biggest farm to date last year and is doubling its space to meet demand hopes of shaking up the agriculture industry has learning big investors plenty raise two hundred million dollars from investors including softbank Amazon CEO Jeff Bezos and former alphabet chairman Eric Schmidt and backers have to be encouraged by the blockbuster success of beyond meat shares of the plant based burger company are up five hundred percent from the IPO price in may still Michael Rosen investor nag text says vertical farms are expensive to run and may not be the best solution everywhere so if you're looking in the Middle East where they import all of their food and you look at the specific climate there %HESITATION it makes sense to grow sunless indoor and power with solar arrays or if you're looking at the mega cluster cities of up to a hundred million in China you want to be in the urban core because supply in the supply chain is going to be a problem and then there's the question of taste celebrity chef Nancy Silverton was skeptical when she was recently asked to join Plante's culinary advisory board I couldn't imagine that produce that was grown indoors on a wall would have any flavor but it wasn't until the end of the tour that I was able to taste the produce that I was sold vertical farm say by controlling the light spectrum some more red light here's some more blue light there they can control the taste of food and plenty which is planning to stay private for now says using that technology through these perfect strawberries which it hopes to bring to consumers in the future grown locally away from the sun