Hinman, E.  J <br/><br/>
New insecticides in grasshopper control  / 
E. J. Hinman, F. T. Cowan 
 - Washington  :   Department of Agriculture 
 - 21 p. 
 - EUA. Depart. of Agriculture; E-722 .
<br/><br/><label>LCCN: </label>203033 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Alfalfa -- Plagas  Control de plagas  Insecticidas