Dehghani, M., & Karparvarfars, S. H. (2017). Optimizing of chisel tine operation used in combined tillage machine. Iranian Journal of Biosystems Engineering (Iranian Journal of Agricultural Sciences), 47(4): p. 651-658.
Esehaghbeygi, A., Tabatabaeefar, A., Keyhani, A. R., & Raoufat, M. H. (2005). Depth and rake angle’s influence on the draft force of an oblique blade subsoiler. Iran Agricultural Research, 36(4): p. 1045-1052. (in Persian)
Fielke, J. M. (1996). Interactions of the cutting edge of tillage implements with soil. Journal of Agricultural Engineering Research, 63(1): p. 61-72.
Godwin, R. J. (2007). A review of the effect of implement geometry on soil failure and implement forces. Soil and Tillage Research, 97(2): 331-340.
Godwin, R. J., & Spoor, G. (1977). Soil failure with narrow tine. Journal of Agricultural Engineering Research, 22(3): p. 213-228.
Godwin, R. J., & O'Dogherty, M. J. (2007). Integrated soil tillage force prediction models. Journal of Terramechanics, 44(1): p. 3-14.
Harrison, H. P. (1990). Soil reacting force for two tapered bentleg plow. Transactions of the ASAE, 33(5): p. 1473-1476.
Kepner, R. A., Bainer, R., & Barger, E. L. (1978). Principles of Farm Machinery. The AVI Publishing Company.
Payne, P. C. J., & Tanner, D. W. (1959). The relationship between rake angle and the performance of simple cultivation implements. Journal of Agricultural Engineering Research, 4(4): p. 312-325.
Raoufat, M. H., & Mashadi-Mighani, H. (1999). Apropriate tine spacing of a double bent leg plow for better tillage and efficient performance. Iranian Journal of Agricultural Science, 30(2): p. 319-330. (in Persian)
Rosa, U. A., & Wulfsohn, D. (2008). Soil bin monorail for high-speed testing of narrow tillage tools. Biosystems Engineering, 99(3): p. 444-454.
Sharifat, K. (1999). Soil translocation with tillage tools (Ph. D. Thesis) Agriculture and Bioresource Engineering. University of Saskatoon.
Solhjou, A., Desbiolles, J., & Fielke, J. (2013). Soil translocation by narrow openers with various blade face geometries. Biosystems Engineering, 114(3): p. 259-266.
Solhjou, A., Fielke, J., & Desbiolles, J. (2012). Soil translocation by narrow openers with various rake angles. Biosystems Engineering, 112(1): p. 65-73.
Solhjou, A., Fielke, J., Desbiolles, J., & Saunders, C. (2014). Soil translocation by narrow openers with various bent leg geometries. Biosystems Engineering, 127, p. 41-49.
Solhjou, A., Loghavi, M., Ahmadi, H., & Roozbeh, M. (2001). The effect of moisture content and plowing depth on soil pulverization and reduction of secondary tillage. Journal of Agricultural Engineering Research, 6, p. 1-12. (in Persian)
Solhjou, A., Loghavi, M., & Joukar, L. (2004). Effect of soil moisture content, forward speed and rotary speed of rototiller on soil pulverization. Journal of Research in Agricultural Science, 1, p. 57-70. (in Persian)
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