El Sayed, Said Abbas Mohamed. <br/><br/>
Nitrogen balance studies for a soil cropped with rice   [microform] / 
Said Abbas Mohamed El Sayed. 
 -  1976. 
 - 119, 4 leaves :  ill. ;  30 cm. 
<br/><br/>Thesis (M.S.)-- Alexandria University, 1976. 
<br/><br/>Includes bibliographical references (leaves [98]-119). 
<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/>Rice--Fertilizers.<br/>Rice--Soils.