Lal, R. <br/><br/>
Sustainable management of soil resources in the humid tropics   / 
by Rattan Lal. 
 - Tokyo ;  New York :  United Nations University Press,  c1995. 
 - xvii, 146 p. :  ill., map ;  21 cm. 
<br/><br/> "UNUP-876"--T.p. verso. 
<br/><br/>Includes bibliographical references (p. [138]-146). 
<br/><br/><label>ISBN: </label>9280808761 
<br/><br/><label>LCCN: </label>96200809  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sustainable agriculture--Tropics.<br/>Soil conservation--Tropics.<br/>Sustainable forestry--Tropics.<br/>Deforestation--Tropics.<br/>Soil erosion--Tropics.
<br/><br/><label>LC Class. No.: </label>S596.7 Lal