Dudley, John E. <br/><br/>
Spraying versus dusting :   to control the potato leafhopper in comercial potato fields of Wisconsis  / 
by John E. Dudley and C.L. Floke 
 - Madison, Wis. :    Agricultural Experiment Station, 1928 
 - 16 p. 
 - Hemiptera;7 .
<br/><br/> Encuadernado con otros impresos similares 
<br/><br/><label>LCCN: </label>206845 
<br/><br/><label>Subjects--Topical Terms: </label><br/>-- Hemípteros -- colecciones de escritos -- Papa -- plagas -- Control biológico de insectos
<br/><br/><label>Dewey Class. No.: </label>PA-C 595.75 H4