Lal, R. <br/><br/>
Sustainable management of soil resources in the humid tropics / 
Lal, R. 
 - Tokyo ;  New York :  United Nations University Press,  1995. 
 - xvii, 146 p.   ;ill., map 
<br/><br/> "UNUP-876"--T.p. verso. 
<br/><br/><label>ISBN: </label>9280808761 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sustainable agriculture<br/>Soil conservation<br/>Sustainable forestry<br/>Deforestation<br/>Soil erosion
<br/><br/><label>LC Class. No.: </label>S494.5.S86  / L34 1995