Hayes, Mahmoud Mohamed Mohamed Sobh. <br/><br/>
Effect of some soil manures on soil properties  [microform]/ 
Mahmoud Mohamed Mohamed Sobh Hayes. 
 -  1979. 
 - 88, 3 leaves :  ill. ;  30 cm. 
<br/><br/>Thesis (M.S.)--Zagazig University, 1979. 
<br/><br/>Includes bibliographical references (leaves 73-88). 
<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 properties.<br/>Fertilizers--Effect on soils.