Martin, John H.  1893- <br/><br/>
Principles of field crop production / 
John H. Martin, Warren H. Leonard, David L. Stamp. 
 - 3rd edition. 
 - New York :  Macmillan,  1976. 
 - xi, 1118 p. :  ill. ;  24 cm. 
<br/><br/>Includes bibliographies and indexes. 
<br/><br/><label>ISBN: </label>0023767200 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Field crops--United States.