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Advances in Mechanized Harvesting Technologies and Equipment for Chili Peppers

Author

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  • Dianlei Han

    (School of Agricultural Engineering, Jiangsu University, Zhenjiang 212013, China
    Key Laboratory of Modern Agricultural Equipment and Technology (Jiangsu University), Ministry of Education, Zhenjiang 212013, China)

  • Congxu Wang

    (School of Agricultural Engineering, Jiangsu University, Zhenjiang 212013, China
    Key Laboratory of Modern Agricultural Equipment and Technology (Jiangsu University), Ministry of Education, Zhenjiang 212013, China)

  • He Zhang

    (School of Agricultural Engineering, Jiangsu University, Zhenjiang 212013, China
    Key Laboratory of Modern Agricultural Equipment and Technology (Jiangsu University), Ministry of Education, Zhenjiang 212013, China)

  • Hao Pang

    (School of Mechanical and Aerospace Engineering, Jilin University, Changchun 130022, China)

  • Xinzhong Wang

    (School of Agricultural Engineering, Jiangsu University, Zhenjiang 212013, China
    Key Laboratory of Modern Agricultural Equipment and Technology (Jiangsu University), Ministry of Education, Zhenjiang 212013, China)

  • Xuegeng Chen

    (School of Agricultural Engineering, Jiangsu University, Zhenjiang 212013, China
    Key Laboratory of Modern Agricultural Equipment and Technology (Jiangsu University), Ministry of Education, Zhenjiang 212013, China)

  • Xiangyu Wen

    (Guangdong Institute of Modern Agricultural Equipment, Guangzhou 510630, China)

Abstract

Mechanized chili harvesting is essential for improving efficiency, reducing costs, and alleviating labor intensity in production. However, issues such as low harvesting efficiency, high rates of breakage, and contamination continue to severely hinder the development of mechanized chili harvesting. This study provides an overview of global chili production regions and varieties, examining three harvesting approaches: single-pass, multi-stage, and multi-pass approaches. It describes the operational principles of key harvesting mechanisms, including the helical spiral-type, drum finger-type, long-rod comb-type, and belt-mounted comb finger-type mechanisms, and summarizes research progress in major producing countries, such as the United States and China. The paper evaluates both airflow-based and mechanical cleaning–separation devices, highlighting the combined airflow mechanical systems as the most promising approach and reviews their current development status. It also addresses structural challenges in chassis, frameworks, and conveyance systems. Finally, the paper analyzes solutions to the existing challenges, emphasizing the integration of intelligent technologies to resolve mechanical issues, and outlines the future prospects of intelligent development in mechanized chili harvesting.

Suggested Citation

  • Dianlei Han & Congxu Wang & He Zhang & Hao Pang & Xinzhong Wang & Xuegeng Chen & Xiangyu Wen, 2025. "Advances in Mechanized Harvesting Technologies and Equipment for Chili Peppers," Agriculture, MDPI, vol. 15(11), pages 1-34, May.
    • Handle: RePEc:gam:jagris:v:15:y:2025:i:11:p:1129-:d:1663099
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    References listed on IDEAS

    as
    1. Jiaxuan Yang & Xinyan Qin & Jin Lei & Lijian Lu & Jianglong Zhang & Zhi Wang, 2024. "Design and Experiment of a Crawler-Type Harvester for Red Cluster Peppers in Hilly and Mountainous Regions," Agriculture, MDPI, vol. 14(10), pages 1-22, October.
    2. Zhenwei Liang & Jun Li & Jianmin Liang & Yifan Shao & Tengfei Zhou & Zengyong Si & Yaoming Li, 2022. "Investigation into Experimental and DEM Simulation of Guide Blade Optimum Arrangement in Multi-Rotor Combine Harvesters," Agriculture, MDPI, vol. 12(3), pages 1-14, March.
    3. Seokho Kang & Yeongsu Kim & Hyunggyu Park & Seungmin Woo & Daniel Dooyum Uyeh & Yushin Ha, 2021. "Effect of Planting Distance on the Mechanical Harvesting of Hot Pepper," Agriculture, MDPI, vol. 11(10), pages 1-11, September.
    4. Weiquan Fang & Xinzhong Wang & Dianlei Han & Xuegeng Chen, 2022. "Review of Material Parameter Calibration Method," Agriculture, MDPI, vol. 12(5), pages 1-17, May.
    5. Dianlei Han & He Zhang & Guoyu Li & Gaoliang Wang & Xinzhong Wang & Yongcheng Chen & Xuegeng Chen & Xiangyu Wen & Qizhi Yang & Rongqiang Zhao, 2024. "Development of a Bionic Picking Device for High Harvest and Low Loss Rate Pod Pepper Harvesting and Related Working Parameter Optimization Details," Agriculture, MDPI, vol. 14(6), pages 1-18, May.
    6. Gaoliang Wang & Binghua He & Dianlei Han & He Zhang & Xinzhong Wang & Yongcheng Chen & Xuegeng Chen & Rongqiang Zhao & Guoyu Li, 2024. "Investigation of Collision Damage Mechanisms and Reduction Methods for Pod Pepper," Agriculture, MDPI, vol. 14(1), pages 1-17, January.
    7. Bochuan Ding & Zhenwei Liang & Yongqi Qi & Zhikang Ye & Jiahao Zhou, 2022. "Improving Cleaning Performance of Rice Combine Harvesters by DEM–CFD Coupling Technology," Agriculture, MDPI, vol. 12(9), pages 1-19, September.
    8. Xinzhong Wang & Yuhao Cao & Weiquan Fang & Haoran Sheng, 2023. "Vibration Test and Analysis of Crawler Pepper Harvester under Multiple Working Conditions," Sustainability, MDPI, vol. 15(10), pages 1-16, May.
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