Wahba, Hamdy Wahba Ahmed <br/><br/>
Response of some high- yielding maize cultivars to mineral and bio-N fertilization  [computer files]/ 
 استجابة بعض أصناف الذرة الشامية عالية الإنتاج للتسميد  النيتروجينى المعدنى و الحيوى. 
Hamdy Wahba Ahmed Wahba. 
 -  2003. 
 - Computer laser optical disks;  4 3/4 in. 
<br/><br/>Thesis (Ph.D.)--Zagazig University,2003. 
<br/><br/>Includes bibliographical references (leaves 118-130) 
<br/><br/><br/>System requirments:Adobe reader. 
<br/><br/><br/>Summary in English. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Corn--Fertilizers.<br/>Leaves--Effect of nitrogen on.<br/>Azospirillum.<br/>Rhizobiaceae.<br/>Azotobacter.