Abd Alla, Said Mohammed. <br/><br/>
Comparative studies on the efficiency of ground and aerial spray on certain cotton pests  [microform] / 
Said Mohammed Abd Alla. 
 -  1981. 
 - 111, 3 leaves :  ill. ;  30 cm. 
<br/><br/>Thesis (M.S.)--Ain Shams University, 1981. 
<br/><br/>Includes bibliographical references (leaves 92-108) 
<br/><br/><br/>Microfiche. <br/>ASUNET, <br/>Ain Shams University, <br/>2 microfiches : negative. 
<br/><br/><br/>Summary in Arabic. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Cotton--Diseases and pests--Control.<br/>Aerial spraying and dusting in agriculture.<br/>Spraying and dusting in agriculture.