If it wasn't for hydroponics and the Ag Culture controls, we'd be licked right now.
I guess you'd say that there were a lot of jobs in the aquariums and the hydroponics gardens.
All the sailors on the ship must have had hydroponics or its equivalent on the brain.
To the left lay the hydroponics tanks, and to the right, the mutants' cubicles.
Then we made a dash for hydroponics, ...