Ewart, W. H <br/><br/>
Important factors to consider in the use of DDT for the control of citrus thrips and citricola scale in central California in 1947  / 
W. H. Ewart, Paul DeBach 
 - Riverside, Cal.  :   University of California 
 - 4 h. 
 - News letter; 30 .
<br/><br/> Encuadernado con impresos similares 
<br/><br/><label>LCCN: </label>202156 
<br/><br/><label>Subjects--Topical Terms: </label><br/>DDT (insecticida) <br/>Insecticidas -- Efecto en cítricos <br/>Insecticidas -- toxicidad
<br/><br/><label>Dewey Class. No.: </label>PA-C 632.951 S67