Acquaah, George <br/><br/>
Principles of crop production  theory, techniques, and technology 

 - 2nd ed. 
 - New Jersey  Pearson Education  2001 
 - xxvii,740p.    25cm 
<br/><br/><label>ISBN: </label>0131145568 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Crop yields<br/>Food crops<br/>Field crops
<br/><br/><label>Dewey Class. No.: </label>631  / ACQ