Studies on the possibilities of devil´s shoestring (tephrosia virginia) and other native species of tephrosia as commercial socierces of insecticides  / 
by A. F. Sievers -et. al.- 
 - Washington  :   USDA 
 - 40 p. 
 - Technical bulletin ; 595 .
<br/><br/> Enc. con impresos similares 
<br/><br/><label>LCCN: </label>206396 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Fitopatología -- colecciones de escritos <br/>Insecticidas<br/>Tephrosia como insecticida <br/>Tephrosia virginiana 
<br/><br/><label>Dewey Class. No.: </label>PA-C 632 B85