Oregon apple and pear spray program  / 
Oregon State System of Higher Education 
 - Corvallis, Oregon  :   OSSHE 
 - 16 p. 
 - Extension Bull; 584 .
<br/><br/><label>LCCN: </label>203067 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Aspersión -- Efecto en árboles frutales