Bradford Michael <br/><br/>
Crop spraying simplified 

 - Oxford  Blackwell           1961 
 - xi,113p.  cm. 
<br/><br/><label>Standard No.: </label>53154 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Plant disease<br/> Plant protection<br/>Agriculture
<br/><br/><label>Dewey Class. No.: </label>J:4:5, K1