VIETNAM NATIONAL UNIVERSITY OF AGRICULTURE FACULTY OF AGRONOMY --------------------------------------------------- UNDERGRADUATE THESIS TITLE: EFFECT OF ORGANIC EXTRACTED NUTRIENT SOLUTION ON GROWTH, YIELD OF SOME LEAF VEGETABLES ON VERTICAL AQUAPONICS SYSTEM STUDENT : PHAN NHAT THANH STUDENT CODE : 613091 CLASS: K61KHCTT INSTRUCTOR : Dr. NGUYEN THI AI NGHIA DEPARTMENT OF EXPERIMENTAL METHODS & BIOLOGY STATISTICS HANOI - 2021 i REASSURANCES I hereby declare that the data and research results presented in this thesis are completely honest and objective, made on the basis of theoretical research, specialized knowledge, actual survey research. Any assistance in the implementation of this thesis is appreciated and the information cited in the thesis is clearly traced. Hanoi, February 24, 2021 Student Phan Nhat Thanh ii ACKNOWLEGEMENTS To complete this thesis, I am deeply indebted to many people for their advice, instruction and support. First and foremost, I would like to send my gratitude to my instructor, Dr. Nguyen Thi Ai Nghia, Department of Experimental Methods & Biology Statistics, Faculty of Agronomy, Vietnam National University of Agriculture, for her enthusiastic support, helpful advice and considerable encouragement in the completion of my thesis. I would also like to give my gratitude to my teachers who gave me the necessary knowledge and skills during my time here. Especially I would also like to give my gratitude to all of my teachers in faculty of Agronomy and Center for Organic Agriculture Promotion and Studies. In addition, I would like to acknowledge my family, who always stood by me, for their in conditional love and support, both financially and emotionally throughout my work. Save the best for last, I want to express my thanks to my friends in Vietnam National University of Agriculture for their friendship and support. Hanoi, February 24, 2021 Student Phan Nhat Thanh

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