Suggested guide for weed control / 
by Crops Research Division 
 - Washington :   La División 
 - v 
 - Agriculture handbook .
<br/><br/> La biblioteca tiene: 1969 
<br/><br/><label>LCCN: </label>205411 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Malas hierbas -- control