Acquaah, George <br/><br/>
Principles of crop production :  theory , techniques and technology / 
George  Acquaah 
 - 2nd ed. 
 - New Delhi :  PHI Learning ,  2011 
 - xxvii, 740 p. :  ill. ;  28 cm. 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>9788120343306  RS.650.00 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Crop yields<br/>Field crops<br/>Food crops
<br/><br/><label>Dewey Class. No.: </label>631