Hunger signs in crops;  a symposium, 
prepared by Firman E. Bear [and others. 
 - Rev., i.e. 2d, ed.] 
 - Washington,  American Society of Agronomy and National Fertilizer Association  [1949] 
 - xvi, 390 p.  illus. (part col.)  27 cm. 
<br/><br/>"Selected references" at end of each chapter except the first. 
<br/><br/><label>LCCN: </label>agr50000006  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Deficiency diseases in plants.
<br/><br/><label>LC Class. No.: </label>QK867  / .A5 1949 
<br/><br/><label>Dewey Class. No.: </label>581.13082