Mehesen, Ahlam Ali Mostafa. <br/><br/>
Studies on efficiency of some symbiotic N₂- fixing bacteria in relation to their legume hosts  [computer file]/ 
 دراسات على كفاءة بعض البكتريات المثبتة للآزوت تكافليا وعلاقتها بعوائلها من النباتات البقولية. 
Ahlam Ali Mostafa Mehesen. 
 -  2004. 
 - Computer laser optical disks;  4 3/4 in. 
<br/><br/>Thesis (Ph.D.)  --Mansoura  University,2004. 
<br/><br/>Includes bibliographical references (leaves128-161). 
<br/><br/><br/>Systems requirments:Adobe Reader. 
<br/><br/><br/>Summary in Arabic. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Rhizobium--Research.<br/>Nitrogen-fixing bacteria.<br/>Soybean--Research.<br/>Fava bean--Research.