Tamer Ibrahem Mahmoud Dawood <br/><br/>
Effect of irrigation intervals and nitrogen fertilization on growth, yield and chemical composition of ricinus communis L. under North Sinai conditions /  
 تأثير فترات الرى و التسميد النيتروجينى على النمو و المحصول و التركيب الكيماوى لنبات الخروع تحت ظروف شمال سيناء 
Tamer Ibrahem Mahmoud Dawood ; Supervised Ahmed Salama Elleithy , Gamal Eldin Fahmy Ahmed , Hend Mostafa Fahmy Swaefy 
 - Cairo :   Tamer Ibrahem Mahmoud Dawood ,   2011 
 - 140 P. ;   25cm 
<br/><br/>Thesis (M.Sc.) - Cairo University - Faculty of Agriculture - Department of Ornamental Horticulture 
<br/><br/> This experiment was conducted during 2004/2005 and 2005/2006, at the field experimental and laboratories of North Sinai Research Station, Desert Research Centre, at Elsheikh Zowayed, to investigate the effect of irrigation intervals (10, 15, 30) days and rainfed irrigation and nitrogen fertilization rates of ammonium sulphate (20.5% N) at four rates of (0, 100, 200, and 300) kg/fed./year on plant grrowth , yield, fixed oil production and chemical composition of Ricinus communis, L 
<br/><br/>
<br/><br/><label>Subjects--Index Terms: </label>Irrigation intervals Nitrogen fertilization Ricinus communis