Weaver R J <br/><br/>
Plant growth substances in agriculture 

 -  1972 
 - p.  cm. 
<br/><br/><label>Standard No.: </label>54330 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Plant development<br/>Agriculture
<br/><br/><label>Dewey Class. No.: </label>J:5:E, L2