العوضی’ م.ن., م.م مصطفى, ع. الجندی, م.م حجازی, .(2014). مقدمة فی الهندسة الزراعیة. ک. الزراعة- ج.عین شمس: جزء الآلات والمیکنة. أ.د نبیل العوضی 40:7.
Abbaspour-Gilandeh Y., M. Omid, and A. Keyhani, (2007). Simulation program for predicting tractor field performance. World applied sciences journal, 2(5): 552-558.
Aboud, M. M. (1981). Tractors and its power units. Basra University Press, Coll. of Agric., Univ. of Baghdad, Ministry of Higher Education and Scientific Research. pp. 574.
Al-Banna, A.R. (1990). Tillage equipments. Dar al-Kotob for printing and publ., Univ. of Mosul. (In Arabic) ministry of higher education and scientific research. pp. 440.
Al-Hashimy, L. A. Z. (2015). Performance of some special tillage equipments under plowing and harrowing system'S. The Iraqi J. of Agric. Sci. 46(1): 36-45.
Al-Hashimy, L. A. Z. (2003). Study of some technical, economical and soil physical properties under different plowing systems. M.Sc. Thesis, Dept. of Agric. Mechani. Coll. of Agric., Univ. of Baghdad. pp. 122.
Al-Hashimy, L. A. Z. (2012). The effect of tilt angle, tillage speed and depth on some of machinery unit technical and energy requirements parameters. The Iraqi J. of Agric. Sci. 43(2): 132-143.
Al-Janobi, A. A. and A. M. Zeineldin. (1997). Development of soil bin test facility for soil tillage tool interaction studies. Coll. of Agric., Univ. of King Saad, Kingdom of Saudi Arabia, Agric., Res. Cen. 72: 4-10.
Al-Rawy, K. M. and A. M. Khalaf Allah. (1980). Design and analysis of agricultural experiments. The directorate of national library for printing, Publ., Univ. of Mosul, Ministry of Higher Education and Scientific Research. pp. 341.
Bahnas O. T., H. A. El-Gendy, M.A. El-Attar. (2004). Effect of some strip-till Methods on Maize Grain Yield. Misr.J. Ag.Eng.,conference :141-156.
Bowers W., B.A. Jones, and E.F. Olver. (1973). Engineering applications in agriculture (4th ed). Published by STIPES Publishing co., 10-12 chester St., Champaingn, lllinois 61820:239-243.
Embaby, A.T.(1985).A comparison of the different mechanization systems for cereal crop production.M.Sc.Thesis,faculty of Agric .Cairo Univ .
Jasim A.A and H.A. Jebur. (2015). Impact of primary tillage system on fuel consumption, management and total tractor costs. The Iraqi J. of Agric. Sci. 46(1): 31-35.
Jebur H.A, M.M. Mostafa, E.A. El-Sahhar, M.A. El-Attar and M.A. Elnono. (2013). Performance evaluation of farm tractor using variable weights on rear wheels during ploughing and sowing operations. Misr.J. Ag.Eng 30(3):645-660.
Kepner R.A., R.Bainer and E.L. Barger (1982)."Principles of farm machinery".3th edi.AVI Publishing Company, INC. Westport, Connecticut. USA.
Khader K.A.A., (2008). Effect of Some Primary Tillage Implement on Soil Pulverization and Specific Energy, Misr.J. Agric.Eng., 25(3): 731-745.
Kitano, M., J. YamaKawa, J. K. watanbe and M. Immurra. (1999). Aspatial motion analysis of tracked vehicle on dry sand's. Proceeding of 13th International Conference of the ISIUS. Munich, Germany. 2: 267-774.
Michael,J.A., J.K.F.J.Borrelli. (1985). Energy requirement of two tillage system for irrigated sugerbeets dry beans and corn ,trans of ASAE,28(6):1731- 1735.
Mostafa M.M.; M.A. El-Nono; M.A. El-Attar and R.A. El-Sayed, (2000). Performance characteristic parameters of a combined active and passive tillage machine. 8th conf. agric. Dev. Res., fac. Agric., ain shams univ., cairo, November 20-22, 2000, annals agric. Sci., sp. Issue l, 121-144.
Nielsen V., and C.G. Sorensen. (1993). Technical farm management a program for calculation of work requirement, work capacity, work budget, work profile (In danish with English summary). Danish Institute of Agriculture Engineering: Report 53:124.
Sharma D. N., and S.Mukesh. (2010). "Design of agricultural tractor" (principles and problems). Published by Shri Sunil Kumar Jain for Jain Brothers (New Delhi) 16/873, East Park Road, New Delhi – 110 005. First Edition, P.No: 199 – 213.
Srivastava, A.K., C.E. Goering, and R.P. Rohrbach. (1993). Engineering principles of agricultural machines. ASAE textbook N6 published by ASAE: 10-23.
www.Ehow.com/list 7224796-Irrigation digging equipment field Irrigation. Html. (2015).
Zoz F.M, (1974). Optimum Width and Speed for Least Cost Tillage. Trans. of the ASAE, 17(5):845-850.
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