The National Aeronautics and Space Administration (NASA) revealed that LED growth lights will be used to grow tomatoes and fresh salad leaves to provide food for astronauts on the International Space Station.
The researchers made a growth room at the Kennedy Space Center in Florida to dim the LED lighting system to provide optimal conditions when the system was finally installed on the International Space Station.
The team is adjusting lighting conditions to optimize plant growth under various conditions and then replicate these scenes in the Advanced Space Plant's Advanced Plant Habitat (AdvancedPlant Habitat) to meet the complex needs of producing food in space.
Through the radiation of light of different wavelengths, the growth cycle of the plants can be controlled and accelerated, so that plants can be harvested more frequently or as needed. Special light formulas not only optimize yield and growth time, but also increase vitamin and nutrient content in plants and enhance certain flavors. LEDs not only provide tailor-made bioactive lighting, but they are also very effective.
The researchers used OSRAM's Phytofy RL system, which includes a UV channel that allows researchers to add transient UV rays to understand how plants react and change. It also includes an irradiance map so that scientists do not need to measure irradiance separately before changing the light settings.
In recent years, NASA has been exploring the possibility of growing food crops in a controlled environment for long-term space missions. A research team led by NASA plant physiologist Ray Wheeler has been studying how to effectively grow safe, fresh food crops in space.
Recently, the astronauts of the International Space Station harvested and ate various red lettuces, which were grown in a plant growth system called Veggie.
Osram's Steve Graves said: "In the past few decades, many of the world's coolest and most beneficial inventions have come from NASA scientists. It is a glory to use our technology to further promote innovation."
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