Abd El-Razek, Saad Abdelsamed Elsayed Abdelrazek <br/><br/>
Effect of cultivation periods and farming practices on sustainable soil health in some new reclaimed soils, ARE  [computer files]/ 
 أثر مدة أستخدام الأرض والعمليات الزراعية على استمرارية  صحة التربة في بعض الأراضي حديثة الاستصلاح بجمهورية مصر العربية 
Saad Abdelsamed Elsayed Abd El-Razek. 
 -  2007. 
 - Computer laser optical disks;  4 3/4 in. 
<br/><br/>Thesis (M.S.)--Ain Shams University,2007. 
<br/><br/>Includes bibliographical references (leaves 74-89) 
<br/><br/><br/>System requirment:Winword. 
<br/><br/><br/>Summary in English. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Reclamation of land.<br/>Sandy soils.<br/>Cropping systems.<br/>Irrigation systems.<br/>Water resources development.