Sheaffer, Craig C. <br/><br/>
Introduction to agronomy :  food, crops, and environment  
Craig C. Sheaffer, Kristine M. Moncada. 
 - 2nd ed. 
 - Clfton Park, NY   Delmar Cengage Learning  2012 
 - xvi,704p.:col ill.,col.maps;26cm.  Hbk 
<br/><br/><label>ISBN: </label>9781111312336 1111312338 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agronomy.<br/>Food crops.
<br/><br/><label>LC Class. No.: </label>SB91.S4 2014