Lal, Rattan <br/><br/>
Sustainable management of soil resources in the humid tropics / 
Rattan Lal 
 - Tokyo :  United Nations University ,  1995 
 - 146p. :  ill. ;   21 cm.  
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>9280808761 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Soil resources<br/>Management<br/>Sustainable development<br/>Humid zone
<br/><br/><label>Gov. Doc. Class. No.: </label>UN Uni Sus