IDEAS home Printed from https://ideas.repec.org/a/gam/jagris/v13y2023i3p632-d1089986.html
   My bibliography  Save this article

Simulation and Experimental Study of the Tillage Mechanism for the Optimal Design of Wheat Rotary Strip–Tiller Blades

Author

Listed:
  • Yanshan Yang

    (Nanjing Institute of Agricultural Mechanization, Ministry of Agriculture and Rural Affairs, Nanjing 210031, China
    Suzhou Polytechnic Institute of Agriculture, Suzhou 215000, China)

  • Zhichao Hu

    (Nanjing Institute of Agricultural Mechanization, Ministry of Agriculture and Rural Affairs, Nanjing 210031, China)

  • Fengwei Gu

    (Graduate School of Chinese Academy of Agricultural Sciences, Beijing 100083, China)

  • Qishuo Ding

    (College of Engineering, Nanjing Agricultural University, Nanjing 210031, China)

Abstract

In order to clarify the mechanism of tiller–soil interaction in the process of strip rotary tillage, this paper conducted a simulation and experimental research on four blade configurations composed of three rotary blades (bent C, straight and hoe) at three rotation speeds (280, 380 and 510 rpm). The study found that the soil throwing characteristics of the blades are the key factors affecting the quality of tillage. The increase in the rotation speed not only improved the soil breaking effect, but also enhanced the phenomenon of soil throwing and then led to a reduction in the soil backfill. In the BC configuration (combination of four bent C blades), the bent C blades showed the best soil throwing characteristics and created the best soil fragmentation. However, due to the obvious side throwing of the soil, the backfill effect of soil fragmentation was the worst. The backfill rate was only 8% when the rotation speed was 510 rpm and could not allow reaching the required seed–soil contact during sowing. The hoe blades in the HC configuration (combination of four hoe blades) could collect part of the soil fragments and throw them towards the direction of the machine during the cultivation process, which led to a good soil breaking effect and a low soil side throwing rate. When the rotation speed was 510 rpm, 36% of the soil was backfilled into the seedbed. In the SC configuration (combination of four straight blades), the straight blades could well control the scattering of the side-thrown soil fragments. At a super-high rotation speed (510 rpm), the side throwing rate was only 70%, and the backfill rate was as high as 60%. However, the soil fragments created by the blades were too large (average soil block diameter > 40 mm) and could not form a loose and finely broken seedbed environment. The MC configuration (combination of two straight blades and two hoe blades) benefited from the combination of straight blades and hoe blades, offering outstanding advantages for backfill and soil fragmentation. Therefore, under the condition of a centralized configuration of field surface straw, it is recommended to use the MC configuration of the wheat rotary strip–till planter for cohesive paddy soil.

Suggested Citation

  • Yanshan Yang & Zhichao Hu & Fengwei Gu & Qishuo Ding, 2023. "Simulation and Experimental Study of the Tillage Mechanism for the Optimal Design of Wheat Rotary Strip–Tiller Blades," Agriculture, MDPI, vol. 13(3), pages 1-13, March.
    • Handle: RePEc:gam:jagris:v:13:y:2023:i:3:p:632-:d:1089986
    as

    Download full text from publisher

    File URL: https://www.mdpi.com/2077-0472/13/3/632/pdf
    Download Restriction: no
    File URL: https://www.mdpi.com/2077-0472/13/3/632/
    Download Restriction: no
    ---><---

    References listed on IDEAS

    as
    1. Yanshan Yang & Zhichao Hu & Fengwei Gu & Jiangnan Wang & Qishuo Ding, 2022. "Effects of Tillage Methods on Crop Root Growth Trend Based on 3D Modeling Technology," Agriculture, MDPI, vol. 12(9), pages 1-14, September.
    Full references (including those not matched with items on IDEAS)

    Citations

    Citations are extracted by the CitEc Project, subscribe to its RSS feed for this item.
    as


    Cited by:

    1. Wuxiong Weng & Weixiang Chen & Longbin Chen & Minglei He & Jinfeng Wang & Shuhe Zheng, 2023. "Optimization of Working Parameters for Rotary-Cutting Soil Collection Device: Experiment and Simulation," Agriculture, MDPI, vol. 14(1), pages 1-19, December.

    Most related items

    These are the items that most often cite the same works as this one and are cited by the same works as this one.

      Corrections

      All material on this site has been provided by the respective publishers and authors. You can help correct errors and omissions. When requesting a correction, please mention this item's handle: RePEc:gam:jagris:v:13:y:2023:i:3:p:632-:d:1089986. See general information about how to correct material in RePEc.

      If you have authored this item and are not yet registered with RePEc, we encourage you to do it here. This allows to link your profile to this item. It also allows you to accept potential citations to this item that we are uncertain about.

      If CitEc recognized a bibliographic reference but did not link an item in RePEc to it, you can help with this form .

      If you know of missing items citing this one, you can help us creating those links by adding the relevant references in the same way as above, for each refering item. If you are a registered author of this item, you may also want to check the "citations" tab in your RePEc Author Service profile, as there may be some citations waiting for confirmation.

      For technical questions regarding this item, or to correct its authors, title, abstract, bibliographic or download information, contact: MDPI Indexing Manager (email available below). General contact details of provider: https://www.mdpi.com .

      Please note that corrections may take a couple of weeks to filter through the various RePEc services.

      IDEAS is a RePEc service. RePEc uses bibliographic data supplied by the respective publishers.