Ling, Lee,  1910- <br/><br/>
Weed control by growth-regulating substances / 
prepared by Lee Ling 
 - Rome :  FAO,  1951 
 - iii, 36 p. :  photographs ;  23 cm. 
 - FAO agricultural studies ;  13 .
<br/><br/>Bibliography: p. 34-35 
<br/><br/><label>ISBN: </label> US USD 0.50 (pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Weed control<br/>Plant growth inhibiting substances<br/>Herbicides<br/>Soils
<br/><br/><label>Dewey Class. No.: </label>630.82