Perey, Ronnel P. <br/><br/>
Design and evaluation of a circulating hydrophonics systems for lettuce production using different soil substitutes / 
Ronnel P. Perey. 
 - Indang, Cavite,  Cavite State University- Main Campus,  2006. 
 - xi, 76p. : ill. ; 28 cm.  illustrations ;      cm. 
<br/><br/> Thesis (BS Agricultural Engineering) Cavite State University. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Hydrophonics.<br/>Lettuce production.
<br/><br/><label>Dewey Class. No.: </label>631.585   / P41 2006