بررسی اثر سرعت پیشروی، عمق کار و افزودن باله بر تقابل گاوآهن پارا و خاک

Abbaspour-Gilandeh, Y. & Khanramaki, M. (2013). Design, construction and calibration of a triaxial dynamometer for measuring forces and moments applied on tillage implements in field conditions. Journal of metrology Society of India, 28(2), 119-127.

Ahmed, M. H. & Godwin, R. J. (1983). The influence of wing position on subsoiler penetration and soil disturbance. Journal of Agricultural Engineering Research, 28(5), 489-492.

Al-Suhaibani, S. A., Al-Janobi, A. A. & Al-Majhadi, Y. N. (2006). Tractors and tillage implements performance. In: Proceedings of CSBE/SCGAB 2006 Annual Conference, Edmonton, Canada.

Al-Suhaibani, S. A. & Ghaly, A. E. (2010). Effect of plowing depth of tillage and forward speed on the performance of a medium size chisel plow operating in a sandy soil. American Journal of Agriculture and Biology Science, 5(3), 247-255.

Arvidsson, J., Trautner, A., van den Akker, J. J. H. & Schjønning, P. (2001). Subsoil compaction caused by heavy sugarbeat harvesters in southern Sweden. II. Soil displacement during wheeling and model computations of compaction. Soil and Tillage Research, 60(2), 79-89.

ASABE Standards (2011). ASAE D497.7, Agricultural machin­ery management data. Available at www.asabe.org.

Ashrafi Zadeh, S. R. (2006). Modelling of energy requirements by a narrow tillage tool. Ph. D. dissertation, University of Saskatchewan, USA.

Askari, M., Komarizade, M. H. & Nobakht, N. (2011). Deasign, construction and test of three-point hitch dynamometer. Journal of Agricultural Machinery Engineering, 1(2), 54-61 (In Farsi).

Askari, M., Shahgholi, Gh., Abbaspour-Gilandeh, Y. & Tash-Shamsabadi, H. (2016). Effect of forward speed and tillage depth on tractor-subsoiler performance. Journal of Engineering Research in Agricultural Mechanization and Systems, 6(5), 109-128 (In Farsi).

 Chen, Y. (2002). A liquid manure injection tool adapted to different soil conditions. Transactions of ASAE, 45(6), 1729-1736.

 Harrison, H. P. (1988). Soil reacting forces for a bentleg plow. Transactions of ASAE, 31(1), 47-51.

Ismail, W. I. W. & Burkhardt, T. H. (1993). Draft and fuel requirements measurement using tractor on-board data acquisition system. Pertanika Journal of Science and Technology, 1(1), 51-64.

Moeenifar, A. M., Kalantari, D. & Mousavi Seyedi, S. R. (2013). Application of dimensional analysis in determination of traction force acting on a narrow blade. International Journal of Agriculture and Crop Science, 5(9), 1034-1039.

Olatunji, O. M. & Davies, R. M. (2009). Effect of weight and draught on the    performance of disc plough on sandy-loam soil. Research Journal of Applied Science, Engineering and Technology, 1(1), 22-26.

Radford, B. J., Yule, D. F., McGarry, D. & Playford, C. (2001). Crop responses to applied soil compaction and to compaction repair treatments. Soil and Tillage Research, 61(3), 157–166.

Ramadhan, M. N. (2011). Field study to evaluate the mechanical performance of the double tines longitudinally arranged subsoiler and its effect on some growth characteristics of barley hordeum vulgare L. Ms. C. dissertation, Basrah University, Iraq.

Ramadhan, M. N. (2014). Developmenet and performance evaluation of the double tines subsoiler in silty clay soil part1: draft force, disturbed area and specific resistance. Mesopotamia Journal of Agriculture, 42(1), 293-313.

Ranjbarian, S., Askari, M. & Jannatkhah, J. (2017). Performance of tractor and tillage implements in   clay soil. Journal of Saudi Society of Agricultural Science, 16(2), 154-162.

Raper, R. L. (2002). The influence of implement type, tillage depth and tillage timing on residue burial. Transactions of ASAE, 45(5), 1281–1286.

Raper, R. L. (2005). Force requirements and soil disruption of straight and bentleg subsoilers for conservation tillage system. Applied Engineering in Agriculture, 21(5), 787-794.

Sahu, R. K. & Raheman, H. (2006). Draught prediction of agricultural implements using reference tillage tools in sandy clay loam soil. Biosystems Engineering, 94(2), 275–284.

Shahi, N., Shahgholi, G. & Biranvand, M. (2010). Modelling of soil-blade interaction and effect of speed and depth on subsoiler performance using discrete element method (DEM). In: Proceedings of 6th National Conference on Agricultural Machinary Engineering and Mechanization, University of Tehran, Karaj, Iran (In Farsi).

Spoor, G. & Godwin, R. J. (1978). An experimental investigation into the deep loosening of soil by rigid tines. Journal of Agricultural Engineering Research, 2(3), 243-259.