The thesis, entitled “The Role of Chemical and Organic Fertilizers in the Growth and Quality of the Zucchini Squash Plant Cucurbita peoples L”, by the student In’am Muhammad Ali Al-Mudhaffar, included three chapters: introduction, review of references, materials, work methods, results and discussion, headed by Dr. Susan Muhammad Khadir and membership of Dr. Haider Sadiq Jafar and Dr. Mahmoud Nasser Hussein, and supervised by Dr. Muhammad Hadi Obaid , in the presence of professors of the College of Agriculture, graduate students and researchers. The thesis aimed to demonstrate the effect of added organic fertilizers in reducing chemical fertilizers and their role in improving the growth, yield and quality of the zucchini squash plant.
