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d also allow astronauts, aircraft carrier personnel, and frontier guar〓ds on islands or in deserts to grow fresh produce in impossible conditi〓ons to fill their daily vitamin and fiber needs. China has 160 million〓 hectares of farmland dedicated to growing vegetan

bles. To grow them, fa〓rmers use more than 31A

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1,000 metric tons of pesticide and 59 million ton〓s of fertilizer a year, said Li Shaohua, director of San'an Sino-Scienc〓e's Photobiology Industry Institute. "The excessive yet inefficient us〓e of fertilizers and pesticides has done great harm to our environment,〓" he sK

aid. "It's high time we find a sustainable and6

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green way to prote〓ct our food security." San'an Sino-Science was founded in 2015 by San'〓an Group and the Chinese Academy of Sciences' Institute of Botany. The 〓second-generation plant in Anxi can produce 1.5 tons of vegetablH

es, suc〓h as lettuce and cabbage, a day. At fP

 
 

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ull capacity, when the energy cos〓t is neglected, it can produce 1,000 tons of leafy greens a year in the〓ory, according to Li. "The high productivity is mainly because we try t〓o emulate the most i3

deal natural conditions for plant growth, and use t〓echnologies to cater to their every needs." Before entering the plant 〓factory, visitors must put on a dual-layered jumpsuit, goggles, a face 〓mas3

k, rubber gloves and boots, and be disinfectedC

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from head to toe. Sne〓ezing in the factory is strictly prohibited. "The standard here is str〓icter than hospital operating rooms," said Zheng Yanhai, a botany resea〓rcher at the institute who worN

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ks at the plant factory. "Because all the〓 plants are growing in nutrient-filled hydroponic solutions, we do not 〓want germs to get into the liqu3

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id and make plants sick." Thanks to the〓 clean environment, plants can grow without antiseptics or pesticides, 〓"you can even eat it fresh out of the bag", Zheng added. In addition t〓o sanitation, scientists also take temperature, humidity, air circulati〓on, light,1

carbon 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 scieg

ntist〓s to create food that suits specific neG

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eds, Zheng said. For example, s〓cientists can lower the amount of potassium from lettuce for patients H

 

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