The science of agriculture : a biological approach 
Herren, Ray V. 
 - 5th edition. 
 -  Cengage Learning,  2018 
 - xix, 766 p. 
<br/><br/>
<br/><br/><label>ISBN: </label>978-1-33727158-5 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agriculture --Teaxtbooks -- Agriculture.
<br/><br/><label>Dewey Class. No.: </label>630 H564 2018