Summer fallow in the Western United States / 

 - Washington :      U.S. Government Printing Office ,  1974 
 - iv, 160p. ;  25 cm. 
 - USDA conservation research report .
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Land conservation <br/>Fallowing<br/>United States
<br/><br/><label>Dewey Class. No.: </label>333.72  / USDA