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uts, 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 aw

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nd fiber needs. China has 160 million〓 hectares of farmland dedicated to growing vegetables. To grow them, fa〓rmew

rs use more than 311,000 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 fertil8

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izers and pesticides 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 securiu

ty." 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 vegetables, suc〓h as lettuce and cabbage, 9