Geus, J. G. De <br/><br/>
Fertilizer guide for tropocal and subtropical farming/  
Geus J. G. 
 - Suiza :   Centro dŽEtude de l`Azote Zurith,   1967 
 - 747 p 
<br/><br/><label>Subjects--Topical Terms: </label><br/>ABONOS Y FERLIZANTES<br/>AGRICULTURA TROPICAL
<br/><br/><label>Dewey Class. No.: </label>REF 631.8 G395