The fertilizer requirements of countries in Latin America ; annual report... 

 - Raleigh, N. C. :  The university,  1966 
 - 185 p.  : ilus. 
<br/><br/><label>LCCN: </label>32961 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Fertilizantes.<br/>Fertilizantes--Experimentación.<br/>Suelos--América Latina.<br/>Suelos--Análisis.
<br/><br/><label>Dewey Class. No.: </label>631.45  / N6