Afify Dardeir Gaber Dardeir Alafify <br/><br/>
Biochemical and ecological studies on Elserw fish farm /  
 دراسات كيميائية حيوية وبيئية على مزرعة أسماك السرو 
Afify Dardeir Gaber Dardeir Alafify ; Supervised Mohy Eldin Ali Osman , Mahmoud Abdelhalim Mahmoud , Mohamed Hamdy Hassan Ali 
 - Cairo :   Afify Dardeir Gaber Dardeir Alafify ,   2011 
 - 197P. :   charts , facsimiles ;   25cm 
<br/><br/>Thesis (Ph.D.) - Cairo University - Faculty of Agriculture - Department of Agricultural Biochemistry 
<br/><br/> Water is the most important resource of a country and of the entire society as a whole, since no life is possible without water . It has this unique position among other natural resources, like minerals, fuels, forests, live - stock etc. In fact, water in Egypt has become a scarce commodity and its use should be optimized  
<br/><br/>
<br/><br/><label>Subjects--Index Terms: </label>Agriculture drainage water quality  Pollution  Water resources