The tanks are coming; practical hydroponics.
Spessard, Earle Augustus, 1887-
The tanks are coming; practical hydroponics. - [Little Rock, Ark., Hydroponics, Inc., 1948] - xiv, 164 p. illus. 23 cm.
Bibliography: p.iv.
agr48000369
Hydroponics.
SB139 / .S7
631.58
The tanks are coming; practical hydroponics. - [Little Rock, Ark., Hydroponics, Inc., 1948] - xiv, 164 p. illus. 23 cm.
Bibliography: p.iv.
agr48000369
Hydroponics.
SB139 / .S7
631.58