Khalil,Youssef Garas Yanni. <br/><br/>
Some microbiological and physicochemical studies on waterlogged soils with special reference to the transformation of some soil elements  [microform]/ 
 بعض الدراسات الميكروبيولوجية و الفزيوكيميائية على الأراضى الغدقة و بصفة خاصة عن تحول بعض العناصر. 
Youssef Garas Yanni Khalil. 
 -  1979. 
 - 197,7Leaves:  ill.;  30 cm. 
<br/><br/>Thesis (Ph.D.)--Ain Shams University,1979. 
<br/><br/>Includes bibliographical references (leaves 179-197) 
<br/><br/><br/>Microfiche. <br/>Cairo,Egypt: <br/>ASUNET, <br/>4 microfiches:negative. 
<br/><br/><br/>Summary in Arabic. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Waterlogging (Soils)<br/>Soils--Trace element content.<br/>Soils--Analysis.<br/>Soil chemistry.<br/>Soil microbiology.