Futurists saw the day when each human would be paired with a symb partner and forever free of reliance on airlocks, hydroponic farming, and recycled water.

But such efforts at modification were minor compared with the crash program to set up hydroponic farming, since most of the somnolents could not be waked until a food supply was assured.

We never fully eradicated the parasites, but they taught us hydroponic farming under ultraclean conditions.

Biologist, working in hydroponic farming.

The chemical fertilizers needed for hydroponic farming of the rhubarb were ordered also.

No food could be produced on any of them except by carniculture and hydroponic farming, and it had been cheaper to produce it naturally on Poictesme.

Gibson knew very little about hydroponic farming and so was not really impressed by the figures which Mayor Whittaker proudly poured into his ear.

But most Terrans haven't even done any hydroponic farming, and the few who have are generally too rich to make good candidates for interstellar refugees.

Since leaving as host of his MSNBC talk show, Ratigan has become involved with hydroponic farming.