Lal, Rattan. <br/><br/>
Sustainable management of soil resources in the humid tropics / 
by Rattan Lal. 
 - Tokyo ;  United Nations University Press,  c1995. 
 - xvii, 146 p. : 
<br/><br/><label>ISBN: </label>9280808761 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sustainable agriculture
<br/><br/><label>Dewey Class. No.: </label>333.7316  / Su