Proceedings of the international symposium on growing media & hydroponics:  Alnarp, Sweden/ 
Convener P. Jensen;[editor[s]B. Alsanius, P. Jensen,H. Asp]. 
 - Leuven, Belgium:  International Society for Horticultural Science,  c2004. 
 - 608p.:  ill.;  24 cm. 
 - Acta horticulturae;  no.644 .
<br/><br/> "International Society for Horticultural Science (ISHS), Commission Plant Substrates;Working Group on Growing Media" 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>9066055375 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Plant growing media--Congresses.<br/>Hydroponics--Congresses.
<br/><br/><label>LC Class. No.: </label>Acta  / no.644