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Performance Evaluation of Biomimetic-Designed Rotary Blades for Straw Incorporation in an Intensive Tillage System

Author

Listed:
  • Xinxin Chen

    (College of Agricultural Engineering, Jiangsu University, Zhenjiang 212001, China
    These authors contributed equally to this work.)

  • Gaoming Xu

    (College of Intelligent Manufacturing and Equipment, Jiangmen Polytechnic, Jiangmen 529090, China
    These authors contributed equally to this work.)

  • Xiaoyu Zhang

    (College of Intelligent Manufacturing and Equipment, Jiangmen Polytechnic, Jiangmen 529090, China)

  • Weichao Tan

    (College of Intelligent Manufacturing and Equipment, Jiangmen Polytechnic, Jiangmen 529090, China)

  • Qishuo Ding

    (Key Laboratory of Intelligent Agricultural Equipment of Jiangsu Province, College of Engineering, Nanjing Agricultural University, Nanjing 210031, China)

  • Ahmad Ali Tagar

    (Department of Farm Power and Machinery, Faculty of Agricultural Engineering, Sindh Agriculture University, Tandojam 70060, Pakistan)

Abstract

A rotary tiller is a common tillage tool for straw incorporation in an intensive tillage system. However, rotary tillage for seedbed preparation in dense-straw mulching conditions experiences high torque and poor performance of straw incorporation. Nowadays, a great deal of studies have been focused on mimicking the morphological features of low-resistance animals to improve the performance of soil-engaging tools. Accordingly, the present study investigated the performance of three C-type rotary blades (i.e., conventional, serrated, and biomimetic) under three straw lengths (50, 100, and 150 mm) for incorporation of straw into the field using an in situ field tillage testing bench. Compared to the conventional and serrated blades, the biomimetic blade had lower straw displacement (decreased by an average of 50 mm and 7 mm, respectively), higher straw burying rate (increased by an average of 5.2% and 7.8%, respectively), better straw distribution (decreased by an average of 9.1% and 10.4% on the coefficient of variation, respectively), as well as lower torque and power (decreased by an average of 3.3 N·m and 4.4 N·m, respectively) under all straw lengths. The improved performance of the biomimetic blade could be attributed to the fact that its typical teeth configuration was designed by mimicking the smooth arc of the mole-rat’s claw. These results demonstrated that the biomimetic-designed blade could be a better option for incorporating dense straw into the field conditions.

Suggested Citation

  • Xinxin Chen & Gaoming Xu & Xiaoyu Zhang & Weichao Tan & Qishuo Ding & Ahmad Ali Tagar, 2024. "Performance Evaluation of Biomimetic-Designed Rotary Blades for Straw Incorporation in an Intensive Tillage System," Agriculture, MDPI, vol. 14(8), pages 1-15, August.
    • Handle: RePEc:gam:jagris:v:14:y:2024:i:8:p:1426-:d:1461496
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    References listed on IDEAS

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    1. Maile Zhou & Zhaoxiang Wei & Zeliang Wang & Hao Sun & Guibin Wang & Jianjun Yin, 2023. "Design and Experimental Investigation of a Transplanting Mechanism for Super Rice Pot Seedlings," Agriculture, MDPI, vol. 13(10), pages 1-21, September.
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