Acquaah, George. <br/><br/>
Principles of crop production :  theory, techniques, and technology / 
George Acquaah. 
 - Upper Saddle River, N.J. :  Prentice Hall,  c2002. 
 - xviii, 460 p. :  ill.   26 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>130221333 
<br/><br/><label>LCCN: </label>2001021271 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Field crops.;Food crops.;Crop yields.
<br/><br/><label>Dewey Class. No.: </label>631  / GEP 2012