Principles of crop science with DVD / 
3G E-Learning 
 - New York :  3G E-Learning.  c2020. 
 - xiii, 325pages.  color illustrations +   1 CD-ROM 
<br/><br/> Includes references and index. 
<br/><br/><label>ISBN: </label>978-1-98463-861-8 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Crop science.<br/>Field crops.
<br/><br/><label>Dewey Class. No.: </label>631  / P957 2020