Gustafson, Axel Ferdinand. <br/><br/>
Handbook of fertilizers, their sources, make up, effects, and use 

 - 4 ed. 
 - New York :  Orange Judd,  1944 
 - 172 p.  : ilus 
<br/><br/><label>LCCN: </label>16190 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Fertilizantes y abonos.
<br/><br/><label>Dewey Class. No.: </label>631.8  / G88 1944