Douglas, J Sholto <br/><br/>
Hydroponics:   The Bengal system with notes on other methods of soilless cultivation  

 - 5th ed. 
 - Delhi:   Oxford University Press,   1959 
 - xvi, 185p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agricultiure
<br/><br/><label>Subjects--Index Terms: </label>Plant grow  Nutrient 
<br/><br/><label>Universal Decimal Class. No.: </label>631.589  / L9