Wallace, T.  1891-1965. <br/><br/>
The diagnosis of mineral deficiencies in plants by visual symptoms :  a colour atlas and guide / 
T Wallace, 
 - [2nd ed.] 
 - London :  H. M. Stationery Off.,  1961. 
 - vii, 125 p.  illus. (part col.)  25 cm. 
<br/><br/>Includes index and bibliographies. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Deficiency diseases in plants.
<br/><br/><label>Dewey Class. No.: </label>581.1335  / WAD 1961