Abd--Alla, Abu Bakr El-Saddik Mohamed. <br/><br/>
Selenium status in plant and soil  [microform]/ 
 حالة عنصر السيلنيوم في الأرض والنبات 
Abu Bakr El-Saddik Mohamed  Abdalla. 
 -  1983. 
 - 146,2  leaves :  ill ;  30 cm. 
<br/><br/>Thesis (Ph.D )--Ain-Shams University, 1983. 
<br/><br/>Includes bibliographical references (leaves 125-146) 
<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/>Soils--Selenium content.<br/>Plant-soil relationships.