Gustafson, A. F <br/><br/>
Handbook of fertilizers; their sources, make-up, effects, and use 
by A. F. Gustafson 
 - 3rd ed 
 - Jodhpur  Agrobios (India)  2010 
 - 172 p : ill., ; 21 cm 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Fertilizers
<br/><br/><label>Dewey Class. No.: </label>631.8 GUS