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Template Licensenutrients. The s4 than 311,000 metric tons of pesticide and 59 million ton〓s of ferd


es has done great harm to our environment,〓" he said. "It's high time we find a sustainable and 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 producv

e 1.5 tons of vegetables, suc〓h as lettuce anL

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tilizer a year, said Li Shaohua, director of San'an Sino-Scienc〓em


d cabbage, a day. At full 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 ideal 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 〓mask, rubber gloves and boots, and be disinfected 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 works at the plant factory. "Because all the〓 plants are growing in nutrient-filled hydroponic solutions, we do not 〓want germs to get into the liquidY

and make plants sick." Thankg



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s 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 temperatm

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ure, humidity, air circulati〓on, light, 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 scientist〓s to create food that suits specific needs, Zheng said. For example, s〓cientists can lower the amount of potas6

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sium from lettuce for patients w〓ith kidney problems or increase zinc in cabbage for children by alterin〓g the nutrient solution and growing conditions. "This 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 courseb

in the most ideal conditions." The req〓uirements for plant growth fall into two broad categories: photosynthes〓is and soil C

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