Robert J. Weaver <br/><br/>
Plant growth substances in agriculture 

 - San Francisco  W H Freeman and Co  1972 
 - 594p 
<br/><br/>Robert J. Weaver: Plant growth substances in agriculture.  San Francisco.  W H Freeman and Co, 1972. 0-7167-0824-8--(581.134WEA)   
<br/><br/><br/>ENGLISH 
<br/><br/><label>ISBN: </label>0-7167-0824-8 
<br/><br/><label>Dewey Class. No.: </label>581.134  / WEA