El-Sebaay, Mahmoud Mohamed Moustaf <br/><br/>
Effect of sewage sludge fertilization on ecosystem in rhizopshere  [microform]/ 
 اثر التسميد بالحماه المتخلفة من مياه المجارى على النظام البيئى بمنطقة الجذور. 
Mahmoud Mohamed Moustaf El-Sebaay. 
 -  2002. 
 - 108, 5 Leaves :  ill. ;  30 cm. 
<br/><br/>Thesis (Ph.D.)--Zagazig University,2002. 
<br/><br/>Includes bibliographical references (leaves 78-100) 
<br/><br/><br/>Microfiche.Cairo, Egypt :ASUNET, <br/>2 microfiches:negative. 
<br/><br/><br/>Summary in English. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sewage sludge as fertilizer--Environmental aspects.<br/>Rhizosphere.<br/>Soils--Heavy metal content.<br/>Pathogenic bacteria.