Vertical Garden Towers Can Grow Plants Three Times Faster Than Normal
In a humid greenhouse on a rooftop in the Bronx, Electra Jarvis is showing off her oasis cubes. Tucked away from direct sunlight, a cabinet full of small, spongey squares are arranged neatly, each one the home to a sprouting seedling. In a few months, the seedlings will become lettuce, bok choy, and mustard greens. For now they are tiny stems, fed by an automated system of nutrient-rich water and regulated light.