Ashton, Floyd M. <br/><br/>
Weed science  principles and practices 
Floyd M. Ashton, Thomas J. Monaco 
 - 3rd edition. 
 - New York  John Wiley & Sons  1991 
 - 466 page :   illustration ;   22 cm. 
<br/><br/><label>ISBN: </label>0471600849 
<br/><br/><label>LCCN: </label>90-024784 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Weeds--Control<br/>Herbicides