El-Biely,Mohamed Mahmoud Mohamed. <br/><br/>
Effect of ploughing operation on soil physical properties  [microform]/ 
 تأثير عملية الحرث على الخواص الطبيعية للتربة. 
Mohamed Mahmoud Mohamed El-Biely. 
 -  1995. 
 - 185,7Leaves:  ill.;  30 cm. 
<br/><br/>Thesis (M.S.)--Tanta University,1995. 
<br/><br/>Includes bibliographical references (leaves 170-177) 
<br/><br/><br/>Microfiche. <br/>Cairo,Egypt: <br/>ASUNET, <br/>3 microfiches:negative. 
<br/><br/><br/>Summary in Arabic. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Soil physics.<br/>Agricultural machinery.