Proteger y producir: conservacion del suelo para el desarrollo 

 - Rome (Italy):   1984.  
 - 40 p. 
<br/><br/> FAO; Also published in (En): Protect and produce: soil conservation for development 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Conservacao do solo<br/>Recurso do solo<br/>Erosao do solo<br/>Controle da erosao