The Ph.D. Thesis submitted by Mrs. Ayat Bakr Hassan, Agronomy Department, entitled:   " Impact of clover c.v. fahl as a preceding crop and nitrogen fertilization on wheat "   Under supervision of: 1.  Prof. El-Sayed Mahmoud Shalaby 2.  Prof. Hassanein Gomaa 3.  Prof. El-Saadi Abdel-Hamid Ali 4.  Dr. Mohamed Tharwat Said   Would be discussed on Sunday 22/10/2017 at 10.00 o’clock in Department Hall