Mawardi, Abd El-Hamid. <br/><br/>
The efficiency of macro and microelements on onion production  [microform]/ 
 أثر اضافة العناصر الغذائية الكبري والصغري علي انتاج محصول البصل. 
Abd El-Hamid Mawardi. 
 -  1969. 
 - 173, 4 leaves :  ill. ;  30 cm. 
<br/><br/>Thesis (Ph.D.) -- Cairo University, 1969. 
<br/><br/>Includes bibliographical references (leaves 160-173) 
<br/><br/><br/>Microfiche. <br/>Cairo, Egypt : <br/>ASUNET, <br/>3 microfiches : negative. 
<br/><br/><br/>Summary in Arabic. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Onions.<br/>Leaves--Effect of trace elements on<br/>Trace elements in plant nutrition.