Abd El-Aziz, Ahmed Abd El-Aal. <br/><br/>
Comparative study on different production methods of nitrogen fixing algal inoculants for paddy soils  [microform] / 
 دراسة مقارنة لطرق انتاج الطحالب المثبتة للازوت الجوي لاستخدامها كلقاح في اراضي الارز. 
by Ahmed Abd El-Aal Abd El-Aziz. 
 -  1983. 
 - 170, 8 leaves :  ill. ;  30 cm. 
<br/><br/>Thesis (M.S.)--Cairo Universty, 1983. 
<br/><br/>Includes bibliographical references (leaves [155]-170). 
<br/><br/><br/>Microfiche. <br/>Cairo, Egypt : <br/>ASUNET, <br/>3 microfiches : negative. 
<br/><br/><br/>Summary in Arabic. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Algal gas exchange<br/>Nitrogen-fixing algae as fertilizer