Based on the principle of scientific cooperation between the colleges of Iraqi universities and the promotion of the exchange of scientific and research experiences, the assistant professor, Dr. Harith Mahmoud Aziz Al-Tamimi, teaching at the College of Agriculture – University of Karbala, participated in the discussion committee of the doctoral student (Noor Taha Abd) in the Department of Horticulture at the College of Agriculture at the University of Anbar for the thesis Tagged ((Effect of spraying with salicylic acid and Thidiazuron and marine algae nano extract on some characteristics of vegetative growth and yield of olive trees Khastawi cultivar)) The thesis was approved with distinction. The teacher received a letter of thanks and appreciation from the Dean of the College of Agriculture / University of Anbar