Eichmann, R. D. <br/><br/>
The influence of alfalfa on the abundance of the pea aphid on peas grown for canning in southeastern  / 
by R.D. Eichmann 
 - Washington :   State College of Washington Agricultural Experiment Station 
 - 36 p. 
 - Bulletin; 389 .
<br/><br/> Encuadernado con otros impresos similares 
<br/><br/><label>LCCN: </label>205667 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Afididos<br/>Chícharo enlatado <br/>Siembra múltiple <br/>Soya -- EUA 
<br/><br/><label>Dewey Class. No.: </label>PA-C 633.34 A85