[STEAM 系列 EP60] 植物能在太空中生長嗎？🌳 ↩️等Miss Lui 話你知❗️ скачать в хорошем качестве

[STEAM 系列 EP60] 植物能在太空中生長嗎？🌳 ↩️等Miss Lui 話你知❗️

Topic: Can plants grow in space? Growing and cultivating plants in space is an important research field known as space agriculture or space horticulture. Here is more information about plant growth in space: 1. Gravity and plant growth: On Earth, plant growth is influenced by the force of gravity, and roots, stems, and leaves grow and orient themselves based on gravity's direction. However, in space, the microgravity or zero gravity environment significantly impacts plant growth. The root systems stems, and leaves of plants in space grow and take on different directions and forms compared to those on Earth. 2. Lighting and plant growth: The lighting environment in spacecraft or space stations differs from natural sunlight on Earth. In space, specially designed lighting systems are required to provide the appropriate spectrum and intensity for plant photosynthesis. Common lighting technologies include using LED lights to simulate the solar spectrum and adjusting the light intensity and duration according to the plant's needs. 3. Water and nutrient supply: In space, careful water and nutrient supply management is necessary for plant growth. Common methods include hydroponics or aeroponic systems, where plant roots can access the required water and nutrients in water or nutrient gel. These systems often employ water and nutrient recycling to improve efficiency. 4. Air quality and oxygen supply: Plant growth in space can improve the air quality inside spacecraft or stations. Plants release oxygen during photosynthesis while absorbing carbon dioxide, helping to maintain the crew's oxygen supply and regulate carbon dioxide levels. In summary, plant growth in space is a complex and challenging field. Scientists and engineers conduct space horticulture research to develop and improve techniques and systems for growing plants in space. This research is crucial for long-duration space exploration and sustainable space habitation while providing valuable insights for agriculture and environmental management on Earth.