Benton Jones, J Hydroponics : a practical guide for the soilless grower J. Benton Jones, Jr - 2nd ed - Boca Raton, FL CRC Press c2005 - xiv, 423 p. : ill. ; 27 cm. + 1 computer optical disc (4 3/4 in.) Includes bibliographical references (p. 403-409) and index ISBN: 9780849331671 ISSN: 2004054203 Subjects--Topical Terms: Hydroponics Dewey Class. No.: 631.585 JON