Herren, Ray V. <br/><br/>
The science of agriculture :  a biological approach / 
Ray V. Herren. 
 - 4th ed. 
 - Clifton Park, NY :  Delmar, Cengage Learning,  c2012. 
 - xix, 764 p. :  ill. (chiefly col.), col. maps ;  29 cm. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>9781439057766 1439057761 
<br/><br/><label>LCCN: </label>2010941450 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agriculture--Textbooks.
<br/><br/><label>LC Class. No.: </label>S495  / .H625 2012 
<br/><br/><label>Dewey Class. No.: </label>630  / HER 2012