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rbon dioxide, nutrients and other elements into account to〓 create the "perfect environment" for growth. A tightly controlled env〓ironment not only maximizes growth potential, but also allows scientist〓s to create food that suitH

in nutrient-filled hydroponic solutions, w8

s specific needs, Zheng said. For example, s〓cientists can lower the amount of potassium from lettuce for patients w〓ith kidney problems or increase zinc in cabbage for children by alterin〓g the nutrient solution and growing conditions. "ThP

e do not 〓want germs to get into the liqu1

is is the fundament〓al difference between a plant factory and conventional farm," he said. 〓"We simply have extensive control over how and when our plants can grow〓, and let nature run its course in the most ideal conditions." The req〓uire9

Collect from /
id and make plants sick." Thanks to the〓 Y

ments for plant growth fall into two broad categories: photosynthes〓is and soil nutrients. The sun accounts for 90 percent of all botanic 〓bioenergy through photosynthesis a process in which plants combine car〓bon dioxide and water and turd

clean environment, plants can grow without9

n them into carbohydrates and oxygen. Sunl〓ight is a bundle of different wavelengths of light across a wide spectr〓um from ultraviolet to infrared. Plants are "picky eaters that favor b〓lue and red lights", Li said. "If we can figure out who

antiseptics or pesticides, 〓"you can eve4

at ratio and comb〓ination of lights are best suited for each plant's growth, then we can 〓change or create LED lights that shine at that specific intensity and s〓pectrum, saving lots of energy in the process," he added. While blue a〓nd redM

n eat it fresh out of the bag", Zheng adde3

lights are the "meat and potatoes" of a plant's growth, scientis〓ts notice other spectrums of light also play a subtle role in maximizin〓g growth and quality. For example, scientists discovered that adding s〓ome green light to the red-blue8

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