Metwally,Mohamed Ali Ahmed. <br/><br/>
A study on modern farm irrigation systems:  manufacture of two units for controlling drip irrigation automatically  [microform]/ 
 دراسة على نظم الرى المزرعى الحديث) :  تصنيع وحدتين للتحكم فى تشغيل نظام الرى بالتنقيط أوتوماتيكيا.) 
Mohamed Ali Ahmed Metwally. 
 -  2001. 
 - 85, 6Leaves :  ill. ;  30 cm. 
<br/><br/>Thesis (Ph.D.)--Tanta University,2001. 
<br/><br/>Includes bibliographical references (leaves 79-85) 
<br/><br/><br/>Microfiche. <br/>Cairo, Egypt : <br/>ASUNET, <br/>2 microfiches:negative. 
<br/><br/><br/>Summary in Arabic. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Irrigation equipment industry.<br/>Microirrigation--Equipment and supplies.<br/>Irrigation engineering.