I think it's a little more nuanced than that, but yeah, those are the basics. The hydroponics system seems to take care of things pretty well, though.

[ and this is a conversation, apparently, so it'd probably be rude to keep walking (he'd been considering a hi and bye). instead he wanders over to eye the job remus' done so far. ]

What are you trying to plant? Assuming it's of Earthly origins and isn't just space plant number 83.