1- Ali Al-Mayah, Agricultural Geography, Al-Irshad Press, Baghdad, 1976, p.8.
2- Ministry of Agriculture, Anbar Agriculture Directorate, Agriculture Division in Al-Amriya District, unpublished data, 2016.
3- The Field Study on 11/19/2016.
4- A Personal Interview with the Agricultural Engineer, Nofal Saadoun Hammad, Directorate of Agriculture, Al-Amriyah District, 11/19/2016.
5- Taha Ahmed Abd Abtan, "Modern Irrigation Methods and their Impact on the Future of Irrigation in the Upper Euphrates Region", College of Arts, Anbar University, PhD thesis, unpublished, p. 80.
6- Mohsen Ahmed Al-Janabi, Yunus Abdel-Qader, Introduction to Field Crop Production, Dar Al-Kutub, University of Mosul, 1996 AD, p. 221.
7- Ministry of Agriculture, Directorate of Agriculture, Anbar Governorate, Agriculture Division in Al-Amriya District, unpublished data, 2016.
8- A Personal Interview with the Agricultural Engineer, Ahmed Mustafa Rashid / on 12/14/2016.