Utilization and protection of degraded Philippine uplands :  Technologies and management system. 

 - Los Banos, Laguna :  SEAMEO SEARCA,  c1999. 
 - 39 page :  Illustration ;  27 cm. 
<br/><br/> Includes bibliographical references. 
<br/><br/><label>ISBN: </label>9715600328 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Contour hedgerow.<br/>Sustainable agriculture.