TY - GEN AU - Serag Eldin Ahmed Abdelmoneim AU - Ali Maher Mohamed , AU - Farouk Mohamed Esmail , AU - H.M.Mahfoz , TI - Effect of preceding crop and nitrogen fertilizer level on yield and quality of some sugarbeet varieties grown in Fayoum region / PY - 2000/// CY - Cairo : PB - Serag Eldin Ahmed Abdelmoneim , N1 - Thesis (Ph.D.) - Cairo University - Faculty Of Agriculture - Department Of Agronomy ER -