Youssef, Mamdouh Mohamed Abd El-Monium. <br/><br/>
Improvement of phosphorus availability in Egyptian soils   [microform] / 
 تحسين صلاحية الفوسفور في الأراضي المصرية. 
Mamdouh Mohamed Abd El-Monium Youssef. 
 -  1989. 
 - 108, 4 leaves :  ill. ;  30 cm. 
<br/><br/>Thesis (M.S.)--Zagazig University, 1989. 
<br/><br/>Includes bibliographical references (leaves 97-108). 
<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/>Soil science.<br/>Soil physics.<br/>Soils--Phosphorus content