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plant's nutrient build up. "Mimicking sunlight usi〓ng LED is very enI

ergy intensive," Li said. "At the end of the day, wh8

oe〓ver has the most energy-p

Etiam posuere augue

efficient and productive light recipe wins." W〓hile plant growth mostly i

relies on light, water and carbon dioxide, it 〓stil0

l needs some trace elements M

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from soil or fertilizers to be healthy.〓 In the case of plant factoriej

s, hydroponic nutrient solutions infused 〓with 17 eF

ssential elements ranging frf

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om nitrogen to calcium have replac〓ed the tilted soil. "The contenE

t of the nutrient solution is also tail〓ored to suiE

t the plant's specific needs8


," said Pei Kequan, a research d〓irector aty

the factory. Unlike the trace elements from fertilizers, whi〓ch are locked in big compound molecules, "the nutrients in the solution〓 are broken into small molecules, meaning the plant can absorb them eas〓ier and grow faster while keeping its nutrient value and taste". It ta〓kes about 20 days for a sapling to reach maturity in the lab, but 40 to〓 60 days in a conventional farm. This means scientists can reap more th〓an a dozen harvests of produce each year, compared with one to two harv〓ests from a conventional farms, depending on the weather conditions, he〓 said. Moreover, scientists at the facility have built the infrastruct〓ure to monitor the elements in theX

solution. Once an element is depD


  • lete〓d, scientist can add the missing nutrient and reuse the solution withou〓t needing to make a new batch, thus reducing the cost. "P

  • We go to great〓 length to study and cater to our plant's most fundamental needs, makin〓g sure they could grow under the best conditio7

  • ns," Pei said. "In a way,〓 the plants are the kings, and we are all its servants." It's high tim〓e we find a sustainable and green waQ

  • y to protect our food security."BEIJING, Feb. 13 (Xinhua) -- China will tighten regulation and revis〓e standards on an extensive rangey

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