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se scientists at the Anxi plant factory have mitigated the issue by i〓nventing energy efficient LEDs and recyclable hydroponic solutions, as 〓well as new energy-conserving methods to maximize a plant's growth pote〓ntial. San'an Sino-Science, the companz

y behind the project, says these〓 new m5

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ers 〓like are addeJ

ethods have cut the factory's overall energy consumption by 25 pe〓rcent compared with its first facility. "We hope to cut more energy so〓 vertical farming can become a viable way to feed our population withou〓t pol6

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d before the snac6

luting and straining our already scarce water and soil resources,"〓 the factory's executive manager, Zhan Zhuo, said. "The technology wou〓ld also allow astronauts, aircraft carrier personnel, and frontier gu3



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eserts 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 v4

egetables. To grow them, fa〓rmers 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 Pt

hotobiology Industry Institute. "The excessive yet inefficient us〓e of fertilizers and pesticides has done great harm to our environment,〓" he said. "It's high time we find a sustainable and grj

een 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 vegetables, suc〓h j

as lettuce and 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 4

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  • A Name wrote:

    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, viZ

  • A Name wrote:

    sitors 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 k

  • A Name wrote:

    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 sI

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olutions, we do not 〓want germs to get into the liquid and make plants sick." Thanks to the〓 clean environment, plants can grow without antiseptics or pesticm

ides, 〓"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, lightI

, 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 allow6

s scientist〓s to create food that suits 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 fz

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or children by alterin〓g the nutrient solution and growing conditions. "This is the fundament〓al difference between a plant2

factory and conventional farm," he said9

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in which plants combine car〓bon dioxide and water and turn them into carboh3

ydrates and oxygen. Sunl〓ight is a bundle of different wavelengths of light across a wide spectr〓um from ultraviolet to infrared. Plants are "picky eats

ers that favor b〓lue and red lights", Lz

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