Sowell Walter, F. <br/><br/>
Hydroponics  : growing plants without soil 

 - Auburn :  Auburn University. Cooperative Extension Service,  (s.a.) 
 - 11 p. 
 - Circular CIASE  ; P-1 .
 - Circular CIASE  ; P-1 .
<br/><br/> Fotocopia 
<br/><br/><label>LCCN: </label>57641 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Hidroponía.