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

 - San Francisco :  W.H.Freeman and Company,   1972. 
 - xviii,594p.   ; ill.   : 23cm. 
<br/><br/>Includes index 
<br/><br/><label>ISBN: </label>0-7167-0824-8 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Plant growth promoting substances<br/> Plant growth inihibiting
<br/><br/><label>LC Class. No.: </label>QK731.W4