Hydroponics; food without soil. A journal of experiments 1938 to 1940,
Hilyer, Charlotte Isabel, Mrs.
Hydroponics; food without soil. A journal of experiments 1938 to 1940, by C. Isabel Hilyer. - Harmondsworth, Middlesex, Eng., New York, Penguin books limited [1940] - 116 p. illus., port. 18 cm.
agr41000458
Hydroponics.
SB139 / .H5
Hydroponics; food without soil. A journal of experiments 1938 to 1940, by C. Isabel Hilyer. - Harmondsworth, Middlesex, Eng., New York, Penguin books limited [1940] - 116 p. illus., port. 18 cm.
agr41000458
Hydroponics.
SB139 / .H5