Zinc in crop nutrition 

 - (s.l.),  (s.a.) 
 - 64 p.  ; láms. : ilus 
<br/><br/><label>LCCN: </label>25985 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Zinc--Efecto en plantas.
<br/><br/><label>Dewey Class. No.: </label>581.13356  / I5