Richardson, W. G. <br/><br/>
The activity and pre-emergence selectivity of some recently developed herbicides :  UBI S-734, SSH-43, Ard 34/02 (=NP55)... 
/por W. G. Richardson 
 - Oxford :  Weed Research Organization,  1981 
 - 59 p.  apénd. 
 - Technical report  ; 62 .
 - Technical report  ; 62 .
<br/><br/><label>LCCN: </label>48376 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Herbicidas.<br/>Malas hierbas--Control.
<br/><br/><label>Dewey Class. No.: </label>632.954  / R5