Bahrt, G.M.  <br/><br/>
Hunger signs in crops: a symposium  (Book) 

 - Washington  American Society of Agronomy  1941 
 - 327 p.  26 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Deficiency diseases in plants
<br/><br/><label>Universal Decimal Class. No.: </label>632.121 : 581.13 BAH  / 4838