Whyte, R. O.  <br/><br/>
Crop production and environment / 
R. O. Whyte. 
 - London :  Faber and faber,  c 1960. 
 - 392 p. :  ill. ;  22 cm. 
<br/><br/> Includes index. 
<br/><br/>300  300 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Botany, Economic.
<br/><br/><label>Dewey Class. No.: </label>631.5 / W623c