Donahue, Roy Luther,  1908- <br/><br/>
Our soils and their management :  increasing production through en vironmental soil and water conservation / 
Roy L. Donahue, Roy Hunter Follett, Rodney W. Tulloch. 
 - 5th ed. 
 - Danville, Ill. :  Interstate Printers & Publishers,  c1983. 
 - xv, 622 p. :  ill. ;  27 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>0813422515 
<br/><br/><label>LCCN: </label>82-082462 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Soil science.<br/>Soil management.<br/>Crops and soils.<br/>Water conservation.
<br/><br/><label>Dewey Class. No.: </label>631.4