Wrigley, Gordon. <br/><br/>
Tropical agriculture :  the development of production / 
Gordon Wrigley. 
 - 4th edition. 
 - London ;  New York :  Longman group ltd.,  1982, c1981. 
 - xv, 496 p. :  ill. ;  23 cm. 
<br/><br/> Contents;<br/><br/>1. Crop ecology <br/>2. Crop culture <br/>3. Crop improvement <br/>4. Crop protection <br/>5. The place of cattle in tropical agriculture <br/><br/> 
<br/><br/>Bibliography : p. 400-480 . _ Index : p. 481-496.  
<br/><br/> 1705 
<br/><br/><label>ISBN: </label>0582460379  
<br/><br/><label>LCCN: </label>81008195  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agriculture--Tropics.
<br/><br/><label>LC Class. No.: </label>S604.37  / .W74 1982 
<br/><br/><label>Dewey Class. No.: </label>630.913  / WRI