Vasudevah, P. <br/><br/>
Hydroponics 

 - Peradeniya  Department of Agriculture  2002 
 - 44p.  25cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agriculture<br/>Harvesting<br/>Cultivation
<br/><br/><label>Dewey Class. No.: </label>631.585  / HYD