Wallace, T. <br/><br/>
The diagnosis of mineral deficiencies in plants by visual symptoms  : a colour atlas and guide 

 - (2 ed.) 
 - New York :  Chemical Publishing Cp.,  1953 
 - 107 p.  : ilus. 
<br/><br/> c.2 idéntica, ed. por H. Majesty's Stationary Office, 1951 
<br/><br/><label>LCCN: </label>51596 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Plantas--Deficiencias nutritivas.<br/>Plantas--Elementos minerales.<br/>Plantas--Nutrición.
<br/><br/><label>Dewey Class. No.: </label>581.21  / W35d 1953