Crop physiology :  some case histories / 

 - London ;  New York :  Cambridge University Press,  1975. 
 - vii, 374 p. :  ill. ;  24 cm. 
<br/><br/><label>ISBN: </label>0521204224 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Field crops
<br/><br/><label>Dewey Class. No.: </label>633 CAM 1975 A053 Or.