Ling, Lee <br/><br/>
Weed control by growth-regulating substances / 
Lee Ling 
 - Rome :  Food and Agriculture Organization (FAO) ,  1952 
 - iii, 35p. :  ill. ;  21 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agriculture<br/>Plant growth inhibiting substances<br/>Weed control<br/>Weeds
<br/><br/><label>Dewey Class. No.: </label>632.58  / FAO