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Analysis of Cyperus esculentus –Soil Dynamic Behavior during Rotary Tillage Based on Discrete Element Method

Author

Listed:
  • Zhuang Zhao

    (College of Mechanical and Electronic Engineering, Shandong Agricultural University, Taian 271018, China)

  • Dongwei Wang

    (College of Mechanical and Electrical Engineering, Qingdao Agricultural University, Qingdao 266109, China)

  • Shuqi Shang

    (College of Mechanical and Electrical Engineering, Qingdao Agricultural University, Qingdao 266109, China)

  • Jialin Hou

    (College of Mechanical and Electronic Engineering, Shandong Agricultural University, Taian 271018, China)

  • Xiaoning He

    (College of Mechanical and Electrical Engineering, Qingdao Agricultural University, Qingdao 266109, China)

  • Zenghui Gao

    (College of Mechanical and Electrical Engineering, Xinjiang Agricultural University, Urumqi 830052, China)

  • Nan Xu

    (College of Mechanical and Electronic Engineering, Shandong Agricultural University, Taian 271018, China)

  • Zengcun Chang

    (College of Mechanical and Electronic Engineering, Shandong Agricultural University, Taian 271018, China)

  • Peng Guo

    (College of Mechanical and Electronic Engineering, Shandong Agricultural University, Taian 271018, China)

  • Xiaoshuai Zheng

    (College of Mechanical and Electrical Engineering, Qingdao Agricultural University, Qingdao 266109, China)

Abstract

Considering the problems of low soil fragmentation rates, high working resistance, and high energy consumption in the harvesting process of Cyperus esculentus in China, a method of Cyperus esculentus harvesting based on counter-rotation digging is proposed. The mechanism of interaction between the rotary tillage blade and Cyperus esculentus –soil is systematically investigated, and the vertical and horizontal disturbance performance of the positive and counter-rotating harvesting methods on soil and Cyperus esculentus is compared and analyzed. The results of the experiment showed that the intensity of soil and Cyperus esculentus disturbance by counter-rotation increased by 166.67% and 297.78%, respectively, and the effective disturbance time of soil and Cyperus esculentus increased by 133.33% compared to that of positive rotation. The working depth and rotation speed of the rotary tillage blade were the most significant for soil and Cyperus esculentus disturbance intensity. The working depth increased from 150 mm to 170 mm, and the soil disturbance intensity increased by 17.91% and 21.37% for positive and counter-rotating operation, respectively, and the rotation speed of the rotary tillage blade increased from 270 rpm to 330 rpm, and the soil disturbance intensity increased by 28.85% and 35.29%, respectively. Compared with the positive rotation operation, the Cyperus esculentus counter-rotation soil fragmentation rate increased by 4.09%, the Cyperus esculentus damage rate decreased by 10.69%, and the buried fruit rate decreased by 7.38%. This paper helps to understand the interaction mechanism between the rototiller and Cyperus esculentus –soil and lays a theoretical foundation for the subsequent design and optimization of the Cyperus esculentus digging device.

Suggested Citation

  • Zhuang Zhao & Dongwei Wang & Shuqi Shang & Jialin Hou & Xiaoning He & Zenghui Gao & Nan Xu & Zengcun Chang & Peng Guo & Xiaoshuai Zheng, 2023. "Analysis of Cyperus esculentus –Soil Dynamic Behavior during Rotary Tillage Based on Discrete Element Method," Agriculture, MDPI, vol. 13(2), pages 1-25, February.
    • Handle: RePEc:gam:jagris:v:13:y:2023:i:2:p:358-:d:1053602
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    References listed on IDEAS

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    1. Michel Pirchio & Marco Fontanelli & Fabio Labanca & Mino Sportelli & Christian Frasconi & Luisa Martelloni & Michele Raffaelli & Andrea Peruzzi & Monica Gaetani & Simone Magni & Lisa Caturegli & Marco, 2019. "Energetic Aspects of Turfgrass Mowing: Comparison of Different Rotary Mowing Systems," Agriculture, MDPI, vol. 9(8), pages 1-6, August.
    2. Gaoming Xu & Yixuan Xie & Md. A. Matin & Ruiyin He & Qishuo Ding, 2022. "Effect of Straw Length, Stubble Height and Rotary Speed on Residue Incorporation by Rotary Tillage in Intensive Rice–Wheat Rotation System," Agriculture, MDPI, vol. 12(2), pages 1-14, February.
    3. Yifu Zhang & Jian Liu & Wei Yuan & Ruihong Zhang & Xiaobo Xi, 2021. "Multiple Leveling for Paddy Field Preparation with Double Axis Rotary Tillage Accelerates Rice Growth and Economic Benefits," Agriculture, MDPI, vol. 11(12), pages 1-12, December.
    4. Lianjie Han & Wei Yuan & Jinjin Yu & Jiajun Jin & Dongshen Xie & Xiaobo Xi & Yifu Zhang & Ruihong Zhang, 2022. "Simulation and Experiment of Spiral Soil Separation Mechanism of Compound Planter Based on Discrete Element Method (DEM)," Agriculture, MDPI, vol. 12(4), pages 1-15, April.
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    Cited by:

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    2. Hongmei Chen & Weipeng Chao & Zhen Xue & Hanlin Wei & Qing Li, 2024. "The Assessment of Green Poverty Reduction Strategies in Ecologically Fragile Areas: A Case Study of Southern Xinjiang in China," Sustainability, MDPI, vol. 16(15), pages 1-15, July.

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