Peony multi-mode vibration seedling separation mechanism and experimental study

IF 3.9 2区农林科学 Q1 AGRONOMY

Plant and Soil Pub Date : 2025-04-16 DOI:10.1007/s11104-025-07424-4

ZhengDuo Liu, Yourui Huang, Binjun Zhou, Dong Xu

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引用次数: 0

Abstract

Background and aims

Manual separation of bare seedlings for peony planting is a challenging issue in the industry due to high labor consumption and low productivity. The study focuses on the interaction relationships between seedling-seedling and mechanism-seedling as well as the separation mechanism within a vibration field, aiming to provide new ideas for automated peony transplanting.

Methods

Firstly, based on the vibration characteristics of materials, a flexible vibration platform is designed, and a virtual prototype model of the mechanism is established. The optimization of flexible mechanism parameters for achieving multi-mode vibration is then conducted. Subsequently, through studying the morphological characteristics of bare peony seedlings, the stages of seedling separation are defined, and a multi-mode vibration seedling separation method is determined using analytical analysis. This separation involves seedling cluster throwing motion for dispersion and sliding motion for separation.Simulation analysis reveals the inherent relationship between device structural parameters, operation parameters, and the degree of seedling separation.

Results

Field test results show that, with a throwing frequency of 14.4 Hz, a sliding frequency of 7.7 Hz, the highest success rate of peony seedling separation is 87.6%, which can adequately meet agricultural production needs.

Conclusion

This research provides a theoretical basis and methodological support for developing automatic seedling separation equipment for peonies or other elongated bare seedlings.

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来源期刊

Plant and Soil 农林科学-农艺学

CiteScore

8.20

自引率

8.20%

发文量

543

审稿时长

2.5 months

期刊介绍： Plant and Soil publishes original papers and review articles exploring the interface of plant biology and soil sciences, and that enhance our mechanistic understanding of plant-soil interactions. We focus on the interface of plant biology and soil sciences, and seek those manuscripts with a strong mechanistic component which develop and test hypotheses aimed at understanding underlying mechanisms of plant-soil interactions. Manuscripts can include both fundamental and applied aspects of mineral nutrition, plant water relations, symbiotic and pathogenic plant-microbe interactions, root anatomy and morphology, soil biology, ecology, agrochemistry and agrophysics, as long as they are hypothesis-driven and enhance our mechanistic understanding. Articles including a major molecular or modelling component also fall within the scope of the journal. All contributions appear in the English language, with consistent spelling, using either American or British English.