El-Shakweer, Mohamed Hammad Atia. <br/><br/>
Nitrogen balance studies for different soils cropped with cotton and corn  [microform] / 
 دراسات على ميزان الآزوت لأراضى مختلفة منزرعة قطن وذرة. 
by Mohamed Hammad Atia El-Shakweer. 
 -  1967. 
 - 134, 6 Leaves :  ill. ;  30 cm. 
<br/><br/>Thesis (M.S.)--Alexandria University, 1967. 
<br/><br/>Includes bibliographical refences (leaves 124-134). 
<br/><br/><br/>Microfiche. <br/>ASUNET, <br/>Ain Shams University, <br/>3 microfiches : negative. 
<br/><br/><br/>Summary in Arabic. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Soils--Nitrogen content.<br/>Cotton--Fertilizers.<br/>Corn--Fertilizers.