The teaching assistant in the Department of Horticulture and Landscaping, Assistant Professor Dr. Muhammad Hadi Obaid, participated in the discussion of the master’s thesis for the student (Hussein Alaa Hussein) Department of Horticulture and Landscaping Engineering – College of Agricultural Engineering Sciences – University of Baghdad on the subject of the tagged thesis (response and growth of cauliflower yield to adding organic and chemical fertilizers and spraying with acid Salicylic acid), where the thesis dealt with the effect of using manufactured organic fertilizers with salicylic acid spraying on increasing cauliflower production in quantity and quality and comparing it with chemical fertilizers.