Electra Jarvis (L), a Square Roots farmer, shows and sells some of her crops to a visitor at Square Roots Urban Growers on April 25, 2017 in New York.
The urban farm craze is finding fertile ground in New York, where 10 young entrepreneurs are learning to grow greens and herbs without soil, bathed in an indoor, psychedelic light. / AFP PHOTO / DON EMMERT / TO GO WITH AFP STORY by Catherine TRIOMPHE, US-agriculture-science-environment-food
        (Photo credit should read DON EMMERT/AFP/Getty Images)