Dougla J S <br/><br/>
Advance guide to hydroponics: Soilless cultivation 

 - London  Pelham Books          1976 
 - 333p.  cm. 
<br/><br/><label>Standard No.: </label>52581 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Soilessfarming<br/>Agriculture
<br/><br/><label>Dewey Class. No.: </label>J95:(I5), L6