El Barbary, Serry Mohamed Ahmed. <br/><br/>
Distribution and characteristics of organic matter in the soils of middle region of the Nile Delta  [microform] / 
by Serry Mohamed Ahmed El Barbary. 
 -  1988. 
 - 91, 4 Leaves :  ill. ;  30 cm. 
<br/><br/>Thesis (M.S)--Menoufia University,1988. 
<br/><br/>Includes Bibliographical references (leaves 85-91) 
<br/><br/><br/>Microfiche. <br/>ASUNET, <br/>Ain Shams University, <br/>2 microfiches : negative. 
<br/><br/><br/>Summary in Arabic. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Humus--Egypt.<br/>Soil fertility.<br/>Soils--Nitrogen content.<br/>Soil productivity.