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no soil, no moisture, no fresh air, no oxygen nor carbon dioxide, no roots,

Answer:

Tomatoes can be grown in hydroponic tanks on Earth, and by extension, on a large spacecraft or orbiting station. As they are self fertilizing they do not need insects or human assistance in transferring pollen to the flowers.

The version of hydroponics that NASA has determined to be most suitable for use in space is aeroponics is a system where roots are continuously or discontinuously kept in an environment saturated with fine drops (a mist or aerosol) of nutrient solution. This method requires no substitute soil. The plants grow with their roots suspended in a deep air or growth chamber with the roots periodically wetted with a fine mist of atomized nutrients. Excellent aeration is the main advantage of aeroponics.

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14y ago

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