Southwick, Lawrence <br/><br/>
Spraying to control preharvest drop of apples  / 
by Lawrence Southwick and J.K. Shaw 
 - Amherst, Mass.  :   Massachusetts Agricultural Experiment Station 
 - 16 p. 
 - Bulletin; 381 .
<br/><br/> Encuadernado con: Orchard insects of the pacific northwest and their control / by E.J. Newcomer 
<br/><br/><label>LCCN: </label>200798 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Manzana -- fumigación -- Massachusett, USA
<br/><br/><label>Dewey Class. No.: </label>PA-C 634 N4 1933