00598cam a22002171 4500 agr49000080 DLC 20260227111010.0 750929s1949 caua 000 0 eng c agr49000080 (OCoLC)1662304 U. S. Dept. of Agr. Libr. FM DLC premarc SB139 .G5 1949 631.58 Gilbert, Charles Churchill, 1918- Success without soil; how to grow plants by hydroponics. 2d ed. San Diego, Calif., c1949. 129 p. illus. 24 cm. 10971 10971