According to Reuters interstellar medium in the movie, the story is a lot of astronauts in the space station to grow plants using grow lights allow plant growth in space stations, such as the 2015 film The Martian (The Martian), is through planting The crop's Martian soil and LED lamps are planted in a vegetable garden.
Similar plots are possible in the future, and no soil is needed at that time. Through the Environmentally Controlled Planting (CEA) system, LED light bulbs can be used to replace sunlight with minimal water and energy. Plants can be planted anywhere, regardless of climate, location or season, not only to alleviate the increasingly urgent problem of agricultural food. It can also be used in space stations to allow astronauts to eat fresh vegetables.
The astronauts of the International Space Station (ISS) launched the "Veg-01" space farm program in 2014, successfully using the red, blue and green LED lights to cultivate the first red roman lettuce, and also let the space zinnia bloom in 2016. At the time, the National Aeronautics and Space Administration (NASA) said that it hopes to grow tomatoes in space by 2018.
And Guelph University of Canada (Guelph) is also developing technologies that hope that astronauts can plant plants on the moon or Mars and improve the quality of life of astronauts. The Center for Controlled Environmental Systems Research Equipment (CESRF) is looking for astronauts. Plants suitable for planting in long-term tasks, and because the pressure of the moon and Mars is smaller than that of the Earth, the University of Guelph is also working on a greenhouse for decompression.
There is no guarantee of enough sun in space, so plants need to be planted with different spectrums through plant growth lights. Among them, with the evolution of LED technology, its luminous efficiency and power are getting higher and higher. In addition to street lamps and lamps, the application has also expanded to plant lamps, and now it can be used as the only source of illumination for plants.
LEDs can be equipped with different chips to emit light of a specific wavelength. The same plants have different pigment accumulation and taste under different lights, and secondary metabolites of plants also react differently to wavelengths. Changes are very helpful in improving plant taste and drug research.
Therefore, in addition to studying space plants, CESRF of the University of Guizhou also cooperates with the medicinal plant industry, the LED industry and other CEA systems companies, hoping to provide technology for the medicinal plant sector through multi-party cooperation.
Editor: Yan Zhixiang
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