The Philippines recommends fertilizer usage /  
Philippine council for agriculture and resources research and development. 
 - 1st ed. 
 - Philippine ;  Philippine council for agriculture and resources research and development ;  1983. 
 - 103p. :  ill. ;  27 cm. 
 - Science and Appropriate Technology Information Services. .
<br/><br/><label>ISBN: </label>X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agriculture.--Fertilizer usage.
<br/><br/><label>Dewey Class. No.: </label>630  / PHI