Pearson, Lorentz C. <br/><br/>
Principles of agronomy / 
Lorentz C. Pearson. 
 - east-west ed. 
 - New Delhi :  Litton Educational Publishing,  c 1967. 
 - xiv, 434 p. :  ill. ;  24 cm. 
<br/><br/> Includes index. 
<br/><br/>Bibliography : p. 413-422. 
<br/><br/>337  337 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agronomy.
<br/><br/><label>Dewey Class. No.: </label>630 / P432p