Agriculture in semi-arid environments / 
 Semi-arid environments 
edited by A. E. Hall, G. H. Cannell, and H. W. Lawton ; contributors, H. P. Bailey ... [et al.] 
 - Berlin :  Springer-Verlag,  1979 
 - xvi, 340 p. :  ill. ;  25 cm. 
 - Ecological studies ;  v. 34 .
<br/><br/>Includes bibliographies and indexes 
<br/><br/><label>ISBN: </label>3540094148 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Dry farming<br/>Arid regions agriculture