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Design and Experiment of a Biomimetic Duckbill-like Vibration Chain for Physical Weed Control during the Rice Tillering Stage

The widespread use of chemical herbicides has jeopardized concerns about food safety and ecological consequences. To address these issues and reduce reliance on chemical herbicides, a physical weed control device was developed for the tillering stage in paddy fields. This device features a biomimeti...

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Autores principales: Fang, Longyu, Luo, Xiwen, Wang, Zaiman, Yang, Wenwu, Li, Hui, Song, Shiyu, Xie, Haoyang, Hu, Jianhao, Chen, Weiman, Liu, Qinghai
Formato: Online Artículo Texto
Lenguaje:English
Publicado: MDPI 2023
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10526935/
https://www.ncbi.nlm.nih.gov/pubmed/37754181
http://dx.doi.org/10.3390/biomimetics8050430
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author Fang, Longyu
Luo, Xiwen
Wang, Zaiman
Yang, Wenwu
Li, Hui
Song, Shiyu
Xie, Haoyang
Hu, Jianhao
Chen, Weiman
Liu, Qinghai
author_facet Fang, Longyu
Luo, Xiwen
Wang, Zaiman
Yang, Wenwu
Li, Hui
Song, Shiyu
Xie, Haoyang
Hu, Jianhao
Chen, Weiman
Liu, Qinghai
author_sort Fang, Longyu
collection PubMed
description The widespread use of chemical herbicides has jeopardized concerns about food safety and ecological consequences. To address these issues and reduce reliance on chemical herbicides, a physical weed control device was developed for the tillering stage in paddy fields. This device features a biomimetic duckbill-like vibration chain that effectively controls weed outbreaks. The chain penetrates the soft surface soil of the paddy field under gravity and rapidly stirs the soil through vibration, leading to the detachment of the weed roots anchored in the surface layer. Simultaneously, the device avoids mechanical damage to rice seedlings rooted in deeper soil. This study aimed to investigate the effects of chain structural parameters (the number of chain rows, vibration amplitude, and length of chains) and operational parameters (vibration frequency and working velocity) on weed control efficiency and rice seedling damage. Through a central composite regression field test, the optimal device structure and operational parameters were determined. The optimization results demonstrated that a vibration amplitude of 78.8 mm, a chain length of 93.47 cm, and 3.4 rows of chains, along with a vibration frequency and working velocity ranging from 0.5 to 1.25 m/s, achieved an optimal weeding effect. Under the optimal parameter combination, field test results demonstrated that approximately 80% of the weeds in the field were effectively cleared. This indicates that the design of the biomimetic duckbill-like vibration chain weeding device exhibits a relatively superior weeding performance, offering a practical solution for the management of weeds in rice fields.
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spelling pubmed-105269352023-09-28 Design and Experiment of a Biomimetic Duckbill-like Vibration Chain for Physical Weed Control during the Rice Tillering Stage Fang, Longyu Luo, Xiwen Wang, Zaiman Yang, Wenwu Li, Hui Song, Shiyu Xie, Haoyang Hu, Jianhao Chen, Weiman Liu, Qinghai Biomimetics (Basel) Article The widespread use of chemical herbicides has jeopardized concerns about food safety and ecological consequences. To address these issues and reduce reliance on chemical herbicides, a physical weed control device was developed for the tillering stage in paddy fields. This device features a biomimetic duckbill-like vibration chain that effectively controls weed outbreaks. The chain penetrates the soft surface soil of the paddy field under gravity and rapidly stirs the soil through vibration, leading to the detachment of the weed roots anchored in the surface layer. Simultaneously, the device avoids mechanical damage to rice seedlings rooted in deeper soil. This study aimed to investigate the effects of chain structural parameters (the number of chain rows, vibration amplitude, and length of chains) and operational parameters (vibration frequency and working velocity) on weed control efficiency and rice seedling damage. Through a central composite regression field test, the optimal device structure and operational parameters were determined. The optimization results demonstrated that a vibration amplitude of 78.8 mm, a chain length of 93.47 cm, and 3.4 rows of chains, along with a vibration frequency and working velocity ranging from 0.5 to 1.25 m/s, achieved an optimal weeding effect. Under the optimal parameter combination, field test results demonstrated that approximately 80% of the weeds in the field were effectively cleared. This indicates that the design of the biomimetic duckbill-like vibration chain weeding device exhibits a relatively superior weeding performance, offering a practical solution for the management of weeds in rice fields. MDPI 2023-09-18 /pmc/articles/PMC10526935/ /pubmed/37754181 http://dx.doi.org/10.3390/biomimetics8050430 Text en © 2023 by the authors. https://creativecommons.org/licenses/by/4.0/Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).
spellingShingle Article
Fang, Longyu
Luo, Xiwen
Wang, Zaiman
Yang, Wenwu
Li, Hui
Song, Shiyu
Xie, Haoyang
Hu, Jianhao
Chen, Weiman
Liu, Qinghai
Design and Experiment of a Biomimetic Duckbill-like Vibration Chain for Physical Weed Control during the Rice Tillering Stage
title Design and Experiment of a Biomimetic Duckbill-like Vibration Chain for Physical Weed Control during the Rice Tillering Stage
title_full Design and Experiment of a Biomimetic Duckbill-like Vibration Chain for Physical Weed Control during the Rice Tillering Stage
title_fullStr Design and Experiment of a Biomimetic Duckbill-like Vibration Chain for Physical Weed Control during the Rice Tillering Stage
title_full_unstemmed Design and Experiment of a Biomimetic Duckbill-like Vibration Chain for Physical Weed Control during the Rice Tillering Stage
title_short Design and Experiment of a Biomimetic Duckbill-like Vibration Chain for Physical Weed Control during the Rice Tillering Stage
title_sort design and experiment of a biomimetic duckbill-like vibration chain for physical weed control during the rice tillering stage
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10526935/
https://www.ncbi.nlm.nih.gov/pubmed/37754181
http://dx.doi.org/10.3390/biomimetics8050430
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