Weir, R G. <br/><br/>
Diagnosing deficiencies in plants / 
G Weir F W Cradock B Barkus 
 - 55 pages :  illustrations ;  22 cm. 
 - Bulletin;  S83 .
 - Bulletin;  S83. .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Plant diseases.
<br/><br/><label>Dewey Class. No.: </label>581.2