- English
- فارسی
Publications
1. Salehian Dastjerdi, M., A. Hemmat. 2012. Effect of wetting and drying cycles on estimation of stress at compaction threshold of a fine textured soil using plate sinkage and confined compression Tests. Iranian Journal of Soil and Water Research (Submitted for publication on 04-04-2012).
2. Salehian Dastjerdi, M., A. Hemmat. 2011. Effect of wetting and drying cycles and water content on compactibility of fine and coarse textured soils of sugarcane fields. Water and Soil Science (Submitted for publication on 20-10-2011).
3. Naderi-Boldaji, M., R. Alimardani, A. Hemmat, A. Sharifi, A. Keyhani, N. Dolatsha, and T. Keller. 2012. Improvement and field testing of a combined horizontal penetrometer of soil water content and mechanical resistance. Soil & Tillage Research (in Press). (ISI)
4. Hemmat, A., A. Khorsandy and V. Shafaie. 2012. Soil failure mode in front of a multiple-tip horizontally-operated penetrometer as affected by depth/width ratio of its tip and shank. Turkish Journal of Agriculture and Forestry (in Press). (ISI)
5. Ghorbani, Z., A. Hemmat, and A.A. Masoumi. 2012. Physical and mechanical properties of alfalfa grind as affected by particle size and moisture content. J. Agric. Sci. & Technol. (IRI). 14: 65-76 (ISI)
6. Ghafori, H., A. Hemmat, A. M. Borghaee and S. Minaei. 2012. Physical properties and conveying characteristics of corn and barley seeds using a suction-type pneumatic conveying system. African Journal of Agricultural Research 6(27): 5972-5977. (ISI)
7. Hemmat, A., N. Nankali, N. Aghilinategh. 2012. Simulating stress-sinkage under a plate sinkage test using a viscoelastic 2D axisymmetric finite element soil model. Soil and Tillage Research 118: 107-116. (ISI)
8. Ghorbani, Z., A.A. Masoumi, A. Hemmat, R. Amiri Chayjan and M.M. Majidi. 2011. Principal component modeling of energy consumption and some physical-mechanical properties of alfalfa grind. Australian Journal of Crop Science 5(8): 932-938. (ISI)
9. Hemmat, A. and S.M. Ataie Ardestani. 2011. Enhancement of irrigated winter canola seedling emergence with creation of longitudinal cracks along the seed rows using suitable furrow opener and press wheel. Iranian Journal of Agricultural Engineering Research 12(2): 69-86. (in Farsi with English abstract).
10. Aghilinategh, N., A., Hemmat, M. Sadeghi and M. Vafaeian. 2011. Soil bulk density, stress at compaction threshold and susceptibility to compaction as affected by the long-term incorporation of three organic amendments. Iranian Journal of Soil and Water Research, 42(1): 87-98. (in Farsi with English abstract).
11. Khorsandy, A., A. Hemmat, A. Masoumi and R. Amirfattahi. 2011. Development, construction and evaluation of a capacitance-based moisture sensor for on-the-go soil water measurement. Iranian Journal of Biosystems Engineering, 42(1): 1-7. (in Farsi with English abstract).
12. Aghilinategh, N., A., Hemmat, and M. Sadeghi. 2011. Assessing procedures for estimating pre-compaction stress of the soil amended with organic manures using data from plate sinkage and confined compression tests. Water & Soil Journal (J. Sci. & Technol. Agric. & Naur. Resour), 15 (55): 183-197. (in Farsi with English abstract).
13. Jafari, M., A. Hemmat, and M. Sadeghi. 2011. Comparison of coefficient of variation with non-uniformity coefficient in evaluation of grain drills. J. Agric. Sci. & Technol. (IRI) 13: 643-654 (ISI)
14. Sadeghi, M., H. Ashtiani Araghi, and A. Hemmat. 2010. Physico-mechanical properties of rough rice (Oryza sativa L.) grain as affected by variety and moisture content. Agric Eng Int: CIGR Journal 12 (3): 129-136.
15. Shirani, H., M.A. Hajabbasi, M. Afyuni and A. Hemmat. 2010. Effect of tillage system and organic manure on soil penetrometer resistance. Journal of Science and Technology of Agriculture and Nature Resurces, Water and Soil Science 14 (51): 141-156. (in Farsi with English abstract).
16. Gohari, M., A. Hemmat, and A. Afzal. 2010. Design, construction and evaluation of a variable-depth tillage implement equipped with a GPS. Iranian Journal of Biosystems Engineering. 41(1): 1-10. (in Farsi with English abstract).
17. Hemmat, A., N. Aghilinategh, and M. Sadeghi. 2010. Shear strength of remoulded samples of a calcareous soil as affected by long-term incorporation of three organic manures in central Iran. Biosystems Engineering 107: 251-261. (ISI)
18. Ashtiani Araghi, H., M. Sadeghi and A. Hemmat. 2010. Physical properties of two rough rice varieties affected by moisture content. International Agrophysics 24: 205-207. (ISI)
19. Jafari, M., A. Hemmat, and M. Sadeghi. 2010. Development and performance assessment of a DC electric variable-rate controller for use on grain drills. Computers and Electronics in Agriculture 73: 56-65. (ISI)
20. Masoumi, A., A. Hemmat, and A. Shahrian. 2010. Design, construction and evaluation of recompression machine for reducing hay bale volume. Iranian Journal of Biosystems Engineering 40(2): 111-119. (in Farsi with English abstract).
21. Hemmat, A., M. Nouri, and M.R. Akhanan Sarraf. 2010. Equipping a Messy Ferguson tractor (MF-285) with sensors for measuring performance parameters of tractor and implements in precision agriculture. Iranian Journal of Biosystems Engineering 40(2): 119-129. (in Farsi with English abstract).
22. Hemmat, A., N. Aghilinategh, Y. Rezainejad, M. Sadeghi. 2010. Long-term impacts of municipal solid waste compost, sewage sludge and farmyard manure application on organic carbon, bulk density and consistency limits of a calcareous soil in central Iran. Soil & Tillage Research 108: 43-50. (ISI)
23. Ghorbani, Z., A. A. Masoumi. and A. Hemmat 2010. Specific Energy Consumption for Reducing the Size of Alfalfa chops using a Hammer mill. Biosystems Engineering. 105: 34-40 (ISI)
24. Shirani, H., M.A. Hajabbasi, M. Afyuni and A. Hemmat. 2009. Effect of tillage system and organic manure on Bromide leaching under silage corn cultivation. Journal of Conservation Soil and Water Research, 16(4): 125-140. (in Farsi with English abstract). (in Press).
25. Hemmat, A., A. Khorsandy, A. Masoumi and V.I. Adamchuk. 2009. Influence of failure mode induced by a horizontally-operated single-tip penetrometer on measured soil resistance. Soil & Tillage Research, 105: 49-54. (ISI)
26. Shirani, H., M.A. Hajabbasi, M. Afyuni and A. Hemmat. 2009. Effect of tillage systems and organic manure on root morphology of corn. Journal of Water and Soil 23(1): 101-107. (in Farsi with English abstract).
27. Hemmat, A. 2009. Reduction in primary tillage depth and secondary tillage intensity for irrigated canola production in a loam soil in central Iran. J. Agric. Sci. & Technol. (IRI), 11: 275-288. (ISI)
28. Yousefi-Moghadam, S., S.F. Mousavi, B. Mostafazadeh-Fard, M.R. Yazdani and A. Hemmat. 2009. Effect of different puddling levels on moisture variations and bulk density of three dominant soil textures in paddy field of Guilan province. Water & Soil Journal (Mashhad Agricultural Sciences and Technology). 22(2): 382-393. (in Farsi with English abstract).
29. Mousavi, S.F., S. Yousefi-Moghadam, B. Mostafazadeh-Fard, A. Hemmat and M.R. Yazdani. 2009. Effect of puddling intensity on physical properties of a silty clay soil under laboratory and field conditions. Paddy and water Environment 7: 45-54.
30. Hemmat, A., M. Tahmasebi, M. Vafaeian and M.R. Mosaddeghi. 2009. Relationship between Pre-compaction Stress and Shear Strength under Confined and Semi-confined Loadings for a Sandy Loam Soil. Biosystems Engineering. 102: 219-226 (ISI)
31. Shirani, H., M.A. Hajabbasi, M. Afyuni and A. Hemmat. 2008. Simulation of potassium uptake by Barber-Cushman model in corn under tillage and farm yard manure treatments. Journal of Research in Crop Sciences 1(1): 85-98. (in Farsi with English abstract).
32. Heidari Soltanabadi, M., M. Miranzadeh, M. Karimi, M. Ghasemi Varnamkhasti, and A. Hemmat. 2008. Effect of subsoiling conditions of strip tillage on soil physical properties and sunflower yield. Journal of Agricultural Technology 4(2): 11-19.
33. Heidari Soltanabadi, M., M. Miranzadeh, M. Karimi, M. Ghasemi Varnamkhasti, and A. Hemmat. 2008. Effect of subsoiling on soil physical properties and sunflower yield under conditions of conventional tillage. International Agrophysics 22(4): 313-317. (ISI)
34. Hemmat, A., I. Ahmadi, and A.A. Masoumi. 2008. Effect of Plowshare Type on Moldboard plow Performance under Different Water Content and Plowing Depth. Iranian J. Agric. Sci. 39(1): 87-97. (in Farsi with English abstract).
35. Masoumi, A., A. Hemmat and M. Rajabi Vand-chal. 2008. Effects of rake (approach) angle of lifting shares and frequency of vibration on performance of a vibrating sugarbeet lifter. J. Sci. & Technol. Agric. & Naur. Resour. 12(2): 233-244. (in Farsi with English abstract).
36. Tahmasebi, M., A. Hemmat, M. Vafaeian and M.R. Mosaddeghi. 2008. Determination of soil compaction strength (pre-compaction stress) with plate sinkage and uniaxial tests. J. Sci. & Technol. Agric. & Naur. Resour. 12(2): 245-255. (in Farsi with English abstract).
37. Hemmat, A. and V.I. Adamchuk. 2008. Sensor systems for measuring soil compaction: Review and analysis. Computers and Electronics in Agric. 63: 89-103. (ISI)
38. Hemmat, A., V.I. Adamchuk and P. Jasa. 2008. Use of an instrumented disc coulter for mapping soil mechanical resistance. Soil & Tillage Res. 98(2): 150-163. (ISI)
39. Mosaddeghi, M.R., A.J. Koolen, M.A. Hajabbasi, A. Hemmat, T. Keller. 2007. Suitability of pre-compaction stress as the real critical stress of unsaturated agricultural soils. Biosystems Engineering 98: 90-101. (ISI)
40. Heidari-Soltan Abadi, M., and A. Hemmat. 2007. Effect of blade distance from the agitator and output rate on rice quality in a modified blade-type milling. J. Sci. & Technol. Agric. & Naur. Resour. 11(1): 135-146. (in Farsi with English abstract).
41. Lotfi, D., A. Hemmat, and M.R. Akhanan Sarraf. 2007. Development and evaluation of a three-point hitch dynamometer and a fifth wheel for mounted implement draft and tractor speed measurements. J. Sci. & Technol. Agric. & Naur. Resour. 11(1): 147-163. (in Farsi with English abstract).
42. Hemmat, A., I. Ahmadi, A. Masoumi. 2007. Water infiltration and clod size distribution as influenced by ploughshare type, soil water content and ploughing depth. Biosystems Engineering 97: 257-266. (ISI)
43. Mosaddeghi, M.R., A.J. Koolen, A. Hemmat, M.A. Hajabbasi, P. Lerink. 2007. Comparisons of different procedures of pre-compaction stress determination on weakly structured soils. Journal of Terramechanics 44:53-63 (ISI)
44. Hemmat, A., M. Emmay, S.J. Razavi and A.A. Masoumi. 2007. Terminal velocity of chopped corn silage and its separate fractions as affected by moisture content. J. Agric. Sci. & Tech. (IRI) 9(1):15-23.
45. Mosaddeghi, M.R., A. Hemmat, M.A. Hajabbasi, M. Vafaeian and A. Alexandrou. 2006. Plate sinkage versus confined compression tests for In situ soil compressibility studies. Biosystems Engineering 93(3): 325-324. (ISI)
46. Arefie, R., Nahvi, H. and A. Hemmat. 2006. Design and synthesis of a pick and position mechanism for spherical-shaped fruits. J. Sci. & Technol. Agric. & Naur. Resour. 10(3-A): 185-200. (in Farsi with English abstract).
47. Hemmat, A., and I. Eskandari. 2006. Dryland winter wheat response to conservation tillage in a continuous cropping system in northwestern Iran. Soil & Tillage Res. 86(1): 99-109. (ISI)
48. Safari, M. and A. Hemmat. 2005. Design, construction and evaluation of a rotary cultivator. J. Agric. Natur. Resour. 12(2): 150-158. (in Farsi with English abstract).
49. Moumenei, D., B., Ghobadian, A. Hemmat and S. Minaei. 2005. Design and Development of a Semi-automatic Differential Lock for Massey Ferguson 285 Tractor. J. Sci. & Technol. Agric. & Naur. Resour. 8(4): 213-223. (in Farsi with English abstract).
50. Heidari, A., M.D. Rezvani and A. Hemmat. 2004. The effects of subsoiling and irrigation regime on potato yield. J. Agric Sci. Natur. Resour. 11(3): 35-43. (in Farsi with English abstract).
51. Hemmat, A., and I. Eskandari. 2004. Conservation tillage for winter-fallow farming on a clay loam (Calcisols) in a cold semi-arid of Iran. Field Crops Res. 89(1): 123-133. (ISI)
52. Hemmat, A., and I. Eskandari. 2004. Tillage system effects upon productivity of a dryland winter wheat- chickpea rotation in the northwest region of Iran. Soil & Tillage Res. 78: 69-81. (ISI)
53. Khosravani, A., M. Zabolestani, A. Sharifi, A. Mohseni Manesh, M. Shahrbanoo Nejad and A. Hemmat. 2004. Evaluation of the possibility of shallow tillage in irrigated wheat. . J. Agric Eng. Res. 4: 30- 46. (in Farsi with English abstract).
54. Eskandari, I., and A. Hemmat. 2003. Effect of subsoiling on soil moisture conservation and dryland wheat yield. J. Agric Eng. Res. 4: 1-18 (in Farsi with English abstract).
55. Khashoei, A.A. and A. Hemmat. 2004. Effects of conservation and conventional tillage systems on yield of forage corn in rotation with barely. J. Res. Agric. Sci. 3(1): 14-25 (in Farsi with English abstract).
56. Hemmat, A., A.A. Khashoei and I. Ranjbar. 2003. Assessment of irrigated cotton seedling emergence in flatland mechanized planting systems. J. Agric. Sci. & Tech. (IRI). 5: 1-11.
57. Hemmat, A. and O. Taki. 2003. An Investigation into the mechanized transplanting in puddled versus compacted soil and their effects on soil physical properties and rice yield on a silty caly soil. Iranian J. Agric. Sci. 34(2): 257-282. (in Farsi with English abstract).
58. Mosaddeghi, M.R., A. Hemmat and M.A. Hajabbasi. 2003. Physical and mechanical properties changes of a structurally unstable soil after flood irrigation J. Sci. & Technol. Agric. & Naur. Resour. 7(1): 91-106. (in Farsi with English abstract).
59. Hemmat, A. and A.A. Khashoei. 2003. Emergence of irrigated cotton in flatland planting in relation to furrow opener type and crust-breaking treatments for Cambisols in central Iran. Soil & Tillage Res. 70(2): 153-162. (ISI)
60. Hemmat, A. and O. Taki. 2003. Comparison of compaction and puddling as pre-planting soil preparation for mechanized rice transplanting in very gravelly Calcisols in central Iran. Soil & Tillage Res. 70(1): 65-72. (ISI)
61. Mosaddeghi, M.R., A. Hemmat, M.A. Hajabbasi and A. Alexandrou. 2003. Pre compaction stress and its relation with the physical and mechanical properties of a structurally unstable soil in central Iran. Soil & Tillage Res. 70(1): 53-64. (ISI)
62. Shirani, H., M.A. Hajabbasi, M. Afyuni and A. Hemmat. 2002. Effects of farmyard manure and tillage systems on soil physical properties and corn yield in central Iran. Soil & Tillage Res 68(2): 101-108. (ISI)
63. Hemmat, A. and A.A. Khashoei. 2002. Assessment of cotton planting seeders’ performance. J. Sci. & Technol. Agric. & Naur. Resour. 6(2): 187-200. (in Farsi with English Abstract).
64. Roozbeh, M., M. Almasi and A. Hemmat. 2002. Evaluation and comparison of energy requirement in different tillage methods for corn production. J. Agric Sci. Natur. Resour. 9(1): 117-128. (in Farsi with English Abstract).
65. Hemmat, A. and O. Taki. 2001. Potato losses and mechanical damage by potato diggers in the Fereidan’s region of Isfahan J. Sci. & Technol. Agric. & Naur. Resour. 5(2): 195-209. (in Farsi with English Abstract).
66. Hemmat, A. and O. Taki. 2001. Grain yield of irrigated winter wheat as affected by stubble-tillage management and seeding rates in central iran. Soil & Tillage Res. 63(1-2): 57-64. (ISI)
67. Hajabbasi, M.A and A. Hemmat. 2000. Tillage impacts on aggregate stability and crop productivity of a clay loam soil in central Iran. Soil & Tillage Res. 56: 205-212. (ISI)
68. Hemmat, A., H.R. Sadeghnezhad and R. Alimardani. 2000. Draft of a vibrating-share subsoiler with and without vibrating mode and its effects on soil physical properties. Iranian J. Agric. Sci. 31(1):127-144. (in Farsi with English abstract).
69. Mosaddeghi, M.R., M.A. Hajabbasi, A. Hemmat and M. Afyuni. 2000. Soil compactibility as affected by soil moisture content and farmyard manure in central Iran. Soil & Tillage Res. 55: 87-97. (ISI)
70. Mosaddeghi, M.R., M.A. Hajabbasi, A. Hemmat and M. Afyuni. 2000. Compactibility of Lavark soil as affected by soil moisture content and farmyard manure. J. Sci. & Technol. Agric. & Naur. Resour. 3(4):27-40. (in Farsi with English abstract).
71. Hemmat, A. and K. Kazemeinkhah. 1997. Evaluating a semi-automatic sugar beet steckling transplanter performance. Iran Agricultural Research. 16:17-37.
72. Hemmat, A. and A.A. Khashoei. 1997. Effects of direct-drilling, non-inversion and conventional tillage systems on yield of irrigated winter wheat. Iranian J. of Agricultural Sciences. 28(1): 15-30. (in Farsi with English abstract).
73. Hemmat, A. 1996. Effects of seedbed preparation and planting methods on emergence of irrigated winter wheat. Iranian J. of Agricultural Sciences. 27(4): 55-68. (in Farsi with English abstract).
74. Hemmat, A. and A.A. Khashoei. 1995. Fuel requirements and machine capacity for tillage and planting operations on a clay loam soil in Isfahan. Iran Agricultural Research. 14(2):175-201.
75. Hemmat, A., P. Chen and W.J. Chancellor. 1980. Determining proper thickness of cushioning materials for fruit-catching frames. Transactions of the ASAE. 23(3): 550-561, 567. (ISI)