Diagnosis of mineral disorders in plants 

 - London :  H. M. S. O.,  1983 
 - v. :  ill. ;  25 cm. 
<br/><br/> Vol.1 : Principles by the late C. Bould and E. J. Hewitt and P. Needham 
<br/><br/>Includes bibliographies and indexes 
<br/><br/><label>ISBN: </label>0112408052 vol.1 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Field crops--Diseases and pests