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I'm trying to figure out how big a martian greenhouse would need to be to feed one person or supplement a significant portion of their diet.

Question: What is the maximum amount of Calories one cubic meter greenhouse in optimal conditions can produce per day?

Assumptions:

  • Volume does not include environmental regulation systems and we assume the greenhouse, no matter the size, is at the ideal temperature, pressure, and atmospheric conditions.

  • Advanced farming techniques are used (aeroponics + vertical farming probably)

  • Genetically engineered plants may be used as long as they exist today (even if they're still in labs)

  • We've got a nuclear reactor/ large solar panel farm ensuring energy for lighting is available 24/7 should it be needed

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  • $\begingroup$ The sunlight is 1/3 compared to an equivalent location on Earth. The greenhouse will need three times the area of one on Earth. $\endgroup$ – C. Towne Springer Apr 28 '18 at 4:38
  • $\begingroup$ This question is related. If the plants make enough oxygen for someone to breathe, they also make enough food for them to eat, more or less space.stackexchange.com/questions/26668/… $\endgroup$ – Steve Linton May 1 '18 at 20:44

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