Swaify, Nader Gad El-Kareem <br/><br/>
Studies on weed control in onion  [computer file]/ 
 دراسات على مقاومة الحشائش فى البصل. 
Nader Gad El-Kareem Swaify. 
 -  2009. 
 - Computer  laser  optical disk;   4 3/4 in. 
<br/><br/>Thesis (Ph.D.) -- Al-Azhar University, 2009. 
<br/><br/>Includes bibliographical references (leaves113-127) . 
<br/><br/><br/>Systems requirements: Adobe Reader. 
<br/><br/><br/>Summary in Arabic. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Herbicides.<br/>Onions--Weed control.