Jensen, Merle H. <br/><br/>
The sand culture system in controlled-environment agriculture 

 - Tucson :  University of Arizona,  [197?] 
 - [9] h.  : ilus. 
<br/><br/> 18-25  Fotocopia 
<br/><br/><label>LCCN: </label>69745 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Cultivos en invernadero.<br/>Hidroponía.