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Forces and loosening characteristics of a new winged chisel plough

Author

Listed:
  • Mahmood Reza Salar

    (Department of Biosystem Engineering, Faculty of Agriculture, Shiraz University, Shiraz, Iran)

  • Seyed Hossein Karparvarfard

    (Department of Biosystem Engineering, Faculty of Agriculture, Shiraz University, Shiraz, Iran)

  • Mohammad Askari

    (Department of Biosystem Engineering, Faculty of Agricultural Engineering, Sari Agricultural Sciences and Natural Resources University, Sari, Iran)

  • Hoda Kargarpour

    (Department of Biosystem Engineering, Tarbiat Modares University, Tehran, Iran)

Abstract

This study was devoted to verifying the performance of various configurations of a winged chisel plough (WCP) in a soil bin. The performance of the new tool was assessed at three wing depths (5, 10 and 15 cm), three bend angles (10, 20 and 30 °), and three rake angles (7.5, 15 and 22.5 °) with three replications using a completely randomised design at a constant depth and speed of 30 cm and 1 m.s-1, respectively. The draught and vertical forces, soil disturbed and upheaved areas plus the efficiency of the soil loosening were measured during the tests. The results revealed that the draught and vertical forces were significantly increased by increasing the wing depth, bend and rake angles. The soil disturbance area increased with an increase in the wing depth, bend and rake angles. While the soil upheaving was decreased by increasing the wing depth and bend angle, the effect of the rake angle on the soil upheaving area was not significant. The maximum efficiency of the soil loosening of 268.1 cm2.kN-1 was achieved for a wing depth of 10 cm, a bend angle of 20 °, and a rake angle of 15 °. A significant improvement in the efficiency of the soil loosening along with maintaining a considerable portion of the residue on the soil surface suggest that the WCP should be adopted for conservation tillage.

Suggested Citation

  • Mahmood Reza Salar & Seyed Hossein Karparvarfard & Mohammad Askari & Hoda Kargarpour, 2021. "Forces and loosening characteristics of a new winged chisel plough," Research in Agricultural Engineering, Czech Academy of Agricultural Sciences, vol. 67(1), pages 17-25.
    • Handle: RePEc:caa:jnlrae:v:67:y:2021:i:1:id:71-2020-rae
    DOI: 10.17221/71/2020-RAE
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    References listed on IDEAS

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    1. Mohammad Askari & Gholamhossein Shahgholi & Yousef Abbaspour-Gilandeh, 2017. "The effect of tine, wing, operating depth and speed on the draft requirement of subsoil tillage tines," Research in Agricultural Engineering, Czech Academy of Agricultural Sciences, vol. 63(4), pages 160-167.
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