Wilcox, Gerald E. <br/><br/>
Lettuce growing in the nutrient film system 

 - West Lafayette, Indiana :  Purdue University. Horticulture Department,  (1981) 
 - 4 h.  : ilus. 
<br/><br/> Fotocopia 
<br/><br/><label>LCCN: </label>53913 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Hidroponía.<br/>Lechuga.