Beginner's guide to hydroponics : soilless gardening /
Sholto Douglas, James, 1920-
Beginner's guide to hydroponics : soilless gardening / by James Sholto Douglas. - London : Pelham Books, c1972. - 156 p. ill.
072070572X
Hydroponics.
Beginner's guide to hydroponics : soilless gardening / by James Sholto Douglas. - London : Pelham Books, c1972. - 156 p. ill.
072070572X
Hydroponics.