Optimized design and experiment of spiral-type intra-row weeding actuator for maize (Zea mays L.) planting

Authors

  • Honglei Jia 1. College of Biological and Agricultural Engineering, Jilin University, Changchun 130022, China; 2. Key Laboratory of Bionic Engineering, Ministry of Education, Jilin University, Changchun 130022, China
  • Binglong Gu 1. College of Biological and Agricultural Engineering, Jilin University, Changchun 130022, China; 2. Key Laboratory of Bionic Engineering, Ministry of Education, Jilin University, Changchun 130022, China
  • Zhongyang Ma 1. College of Biological and Agricultural Engineering, Jilin University, Changchun 130022, China; 2. Key Laboratory of Bionic Engineering, Ministry of Education, Jilin University, Changchun 130022, China
  • Huili Liu College of Biological and Agricultural Engineering, Jilin University, Changchun 130022, China
  • Gang Wang College of Biological and Agricultural Engineering, Jilin University, Changchun 130022, China
  • Mingwei Li 1. College of Biological and Agricultural Engineering, Jilin University, Changchun 130022, China; 2. Key Laboratory of Bionic Engineering, Ministry of Education, Jilin University, Changchun 130022, China
  • Hewen Tan 1. College of Biological and Agricultural Engineering, Jilin University, Changchun 130022, China; 2. Key Laboratory of Bionic Engineering, Ministry of Education, Jilin University, Changchun 130022, China

Keywords:

optimization design, spiral forward, intra-row weeding actuator, maize planting

Abstract

Mechanical weeding not only avoids crop herbicide residue but also protects the ecological environment. Compared with mechanical inter-row weeding, mechanical intra-row weeding needs to avoid crop plants, which is conducive to causing a higher rate of seedling damage. In order to realize maize (Zea mays L.) intra-row weeding, a maize intra-row weeding mechanism was designed in this study. The mechanism can detect maize seedlings by infrared beam tube, then a sliding-cutting bevel tool moves spirally amid maize seedlings, so as to eradicate intra-row weeds. A field experiment was conducted under the following experimental conditions: the bevel tool rotation speed was 800-1400 r/min, the mechanism forward speed was 4-7 km/h, and the bevel tool depth was 2-14 cm, the experimental results illustrated that the mechanism’s average weeding rate and seedling damage rate were 95.8% and 0.6%, respectively. The variance analysis showed that the primary and secondary factors that affecting the weeding rate and seedling damage rate were the same, which were bevel tool rotation speed, mechanism forward speed, bevel tool depth in soil in a descending order according to the significances. The result of the field experiment may provide a reference for intra-row weeding device design. Keywords: optimization design, spiral forward, intra-row weeding actuator, maize planting DOI: 10.25165/j.ijabe.20211406.6542 Citation: Jia H L, Gu B L, Ma Z Y, Liu H L, Wang G, Li M W, et al. Optimized design and experiment of spiral-type intra-row weeding actuator for maize (Zea mays L.) planting. Int J Agric & Biol Eng, 2021; 14(6): 54–60.

Author Biography

Huili Liu, College of Biological and Agricultural Engineering, Jilin University, Changchun 130022, China

Department of Agricultural Mechanization Engineering

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Published

2021-12-16

How to Cite

Jia, H., Gu, B., Ma, Z., Liu, H., Wang, G., Li, M., & Tan, H. (2021). Optimized design and experiment of spiral-type intra-row weeding actuator for maize (Zea mays L.) planting. International Journal of Agricultural and Biological Engineering, 14(6), 54–60. Retrieved from https://ijabe.migration.pkpps03.publicknowledgeproject.org/index.php/ijabe/article/view/6542

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Section

Power and Machinery Systems