Well... you'd need to bring up oxygen to begin with, otherwise rather than breathing out CO2, you'd just die.
You would also have to calculate the plants to human ratio pretty exactly I'd guess for a small contained space. Not to mention that both plants and humans need water. Oh, and plants need nutrients from the soil, no idea if Lunar soil has the required nutrients for our plants to grow, or if you could create GM plants which use lunar soil's nutrients.
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Well... you'd need to bring up oxygen to begin with, otherwise rather than breathing out CO2, you'd just die. You would also have to calculate the plants to human ratio pretty exactly I'd guess for a small contained space. Not to mention that both plants and humans need water. Oh, and plants need nutrients from the soil, no idea if Lunar soil has the required nutrients for our plants to grow, or if you could create GM plants which use lunar soil's nutrients.