Dryland agriculture / 
editors, H. E. Dregne and W. O. Wilis. 
 - Maddison :  American Society of Agronomy,  1983. 
 - xviii, 622 p. :  ill. ;  24 cm. 
 - Agronomy ;  no. 23 .
<br/><br/>Includes bibliographies and index. 
<br/><br/> Open access. 
<br/><br/><label>ISBN: </label>0891180753 
<br/><br/><label>LCCN: </label>8371807  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Dry farming.<br/>Dry farming--United States.<br/>Dry farming--Canada.