Weischet, Wolfgang <br/><br/>
The persisting ecological constraints of tropical agriculture / 
Wolfgang Weischet and Cesar N. Caviedes. 
 - Harlow, Eng. :  Longman,  c1993. 
 - xiv, 319 p. :  ill., maps ;  24 cm. 
<br/><br/>Includes bibliographical references  and index. 
<br/><br/><label>ISBN: </label>0582056926 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agriculture--Tropics.<br/>Tropical crops--Ecology.<br/>Agricultural ecology--Tropics.