Wallis, J. A. Nicholas <br/><br/>
Intensified systems of farming in the tropics and subtropics 
J.A. Nicholas Wallis 
 - Washinton, D.C:  The World Bank,  1997. 
 - xiii, 203p. 
<br/><br/> Includes bibliographical references 
<br/><br/><br/>eng 
<br/><br/><label>ISBN: </label>0821339443 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Dry farming-Topics<br/>Agricultural systems-Topics<br/>Dry farming <br/>Agricultural systems
<br/><br/><label>Dewey Class. No.: </label>630.913  / WAI