Hamdy, Alaa El Din . <br/><br/>
Chemical and biological styudies on certain pesticides adsorption , photodegradation and influence on nitrification process of certin herbicides in soil  [microform]/ 
 دراسة كيميائية وبيولوجية علي بعض المبيدات . 
Alaa El Din Hamdy . 
 -  1986 . 
 - 146, 8 leaves :  ill. ;  30 cm. 
<br/><br/>Thesis (Ph.D.) -- Alexandria University, 1986. 
<br/><br/>Includes bibliographical references (Leaves 137-146) 
<br/><br/><br/>Microfiche. <br/>Cairo, Egypt : <br/>AUSNET, <br/>3  microfiches : negative. 
<br/><br/><br/>Summary in Arabic. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Pesticides.<br/>Soils--Herbicide content<br/>Soil absorption and adsorption.