Malefyt, Timothy D., <br/><br/>
The effect of pendimethalin on velvetleaf (abutilon theophrasti medic,) and pigweed (amaranthus SPP,) growth and development / 
Timothy D. Malefyt. 
 - ix, 104 pages :  illustrations ;  20 cm. 
<br/><br/>Thesis (Ph.D.)- Cornell University, 1982. 
<br/><br/><label>ISBN: </label> Hadiah 
<br/><br/><label>Subjects--Corporate Names: </label><br/>Cornell University--Dissertations.
<br/><br/><label>Subjects--Topical Terms: </label><br/>Herbicides.<br/>Plants, Protection of.<br/>Herbicides--Environmental aspects.<br/>Dissertations, Academic--United States.