On: Plants grown in Apollo lunar regolith

[dTal]

No need to put it in orbit. A self-sustaining sealed ecosystem is a vital piece of research and engineering for us to do before we leave the planet.

[dhruval → dTal]

The failed Biosphere 2 project was one such attempt.

https://en.m.wikipedia.org/wiki/Biosphere_2

[dTal → dhruval]

I always found it odd that such an important line of research was restricted to one-off stunts like this. Every university should be making sealed gardens.