Ahmed, Ahmed Muhammad El-Husseiny  <br/><br/>
Surface seal formation and its implication in calcareous soils characteristics degradation  [electronic resource] / 
 تكوين الختم السطحى ومساهمته في تدهور خواص الأراضى الجيرية 
Ahmed Muhammad El-Husseiny Ahmed 
 -  2019. 
<br/><br/>Thesis (Ph.D.) -- Benha University, 2019. 
<br/><br/>Includes bibliographical references (Leaves115-145)<br/> 
<br/><br/><br/>Systems requirements : Adobe Reader 
<br/><br/><br/>Summary in Arabic 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Surface sealers<br/>Calcareous soils<br/>Soils--Environmental aspects