Mohamed Hassan Abdelwahed Hassan <br/><br/>
The effect of different tillage means on some soil properties and crop production /  
 تأثير الانواع المختلفة من المحاريث على بعض خصائص التربة وانتاجية المحصول 
Mohamed Hassan Abdelwahed Hassan ; Supervised Ahmed Elraie Emam Suliman , Mahmoud Abdelgawad Mohamed , Adel AbdelAziz Gharib 
 - Cairo :   Mohamed Hassan Abdelwahed Hassan ,   1994 
 - 193 Leaves :   charts , facsimiles ;   30cm 
<br/><br/>Thesis(M.Sc.) - Cairo University(Elfayoum Branch) - Faculty of Agriculture - Department of Agricultural Engineering