Herren, Ray V. <br/><br/>
The science of agriculture :  a biological approach / 
Ray V. Herren. 
 - 2nd ed. 
 - Albany, NY :  Delmar Thomson Learning,  c2002. 
 - xv, 592 p. :  Hbk 
<br/><br/><label>ISBN: </label>0766816699 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agriculture.
<br/><br/><label>LC Class. No.: </label>S495.H6 2002 
<br/><br/><label>Dewey Class. No.: </label>630