Weaver, Robert John,  1917- <br/><br/>
Plant growth substances in agriculture / 
[by] Robert J. Weaver. 
 - San Francisco :  W. H. Freeman,  [1972] 
 - xviii, 594 pages :  illustrations ;  24 cm. 
<br/><br/>Bibliography: p. [493]-562. 
<br/><br/><label>ISBN: </label>0716708248 
<br/><br/><label>LCCN: </label>71166964 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Herbicides.<br/>Plant hormones.<br/>Plant regulators.
<br/><br/><label>LC Class. No.: </label>SB128  / .W4 
<br/><br/><label>Dewey Class. No.: </label>631.5