Evans L T <br/><br/>
Crop evolution, adaptation and yield. 

 - Cambridge  Cambridge University Press       1993 
 - x,500p.  cm. 
<br/><br/><label>Standard No.: </label>27857 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>J3:5, N3