Hough Walter S <br/><br/>
Spreying dusting and fumigating of plants: Principles and applications 

 - New York       Macmillan          1951 
 - ix, 726p.  cm. 
<br/><br/><label>Standard No.: </label>52327 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agriculture
<br/><br/><label>Dewey Class. No.: </label>J:438:5:(E), J1;2      J1