Richardson, W. G. <br/><br/>
The activity and post-emergence selectivity of some recently developed herbicides ; R 40244 DPX 4189, aciflicorfen, ARD 34/02 (NP 55) and PP009 
/por W. G. Richardson 
 - Oxford :  Weed Research Organization,  1980 
 - 57 p. 
 - Technical report  ; 61 .
 - Technical report  ; 61 .
<br/><br/><label>LCCN: </label>48378 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Herbicidas.<br/>Malas hierbas--Control.