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e case of plant factories, hydroponic nutrient solutions infused 〓with 17 essential elements ranging from nitrogen to calcium have replac〓ed the tilted soil. "The content of the nutrient solution is also tail〓ored to suit the plant's specific needs," said Pei Kequan, a research d〓irector at the factory. Unlike the trace elements from fertilizers, wE

hi〓ch are locked in big compound molecules, "the nutrients in the solution〓 are broken into small molecules, meaning d

the plant can absorb them eas〓ier and grow faster while keeping its nutrient value and taste". It ta〓kes about 20 days f8

or 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 8

dozen harvests of produce each year, compared with one to two harv〓ests from a conventional farms, depending on the weather con0

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