?? 乐虎|app

乐虎|app

Two Column #1

ums of light also play a subtle role in maximizin

 growth and quality. For example, scientists discovered that adding s〓ome green light to the red-blue recipe could help some vegetables grow,〓 while too much green light puts plants into hibernation, although this〓 is helpful for the plant's nutrient build up. "Mimicking sunlight usi〓ng LED is very energy intensive," Li said. "At the end of the day, whoe〓ver has the most energy-efficient and productive light recipe wins." W〓hile pla8

nt growth mostly relies on light, water and carK

 

Blandit Veroeros Consequat

bon dioxide, it 〓still needs some trace elements 4

from soil or fertilizers to be healthy.〓 In the 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, whi〓ch are locked in big compound molecules9

, "the nutrients in the solution〓 are broken iY

 

nto small molecules, meaning the plant can absorb ta

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hem 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 7

a conventional farm. This means scientists can reap1

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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. Mor7

eover, scientists at the facility have built the inu

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frastruct〓ure to monitor the elements in the solution. Once an element is deplete〓d, scientist can add the missing nutrient and reuse the solution withou〓t needingH

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