Abstract
In order to increase the stability of fresh agricultural product supply chain, farmers and enterprises need to evolve into a symbiotic system of supply chain. At the present stage, symbiotic relations and evolutionary trends in a symbiotic system for fresh agricultural product supply chains lack quantitative methods for determining symbiotic criteria. In the sense of quantification -oriented criteria, symbiotic systems for fresh agricultural product supply chains are defined, and an improved stationary state analysis method is proposed. Three key steps in this method are quantifying a symbiotic energy model with an evaluation model of ecological carrying capacity, setting up a system evolution model based on the logistic growth function, and verifying the symbiotic system's singularity and phase transition boundary by Lyapunov indirect method. MATLAB numerical simulation shows that types of singularity and the phase transition boundary of symbiotic system are divided effectively. And in both conditions, infinite exponential growth and convergence to steady state, the mutualism mode is the optimal choice for the symbiotic system we defined, symbiotic relations between farmers and cooperative companies are stable and long-term at this time. Those conclusions provide a reference approach to enhance the overall prospective benefits to the fresh agricultural products supply chain.
Highlights
Fresh agricultural products refer to primary agricultural and livestock products produced or planted by farmers, without or with a small amount of processing, which should not be kept for too long at room temperature [1]
This paper proposes an improved symbiosis system stability analysis method for criteria quantification
The research work, research conclusions and results are summarized as follows: (1) Based on the symbiotic system principle, the symbiotic unit model, symbiotic model, symbiotic energy model and symbiotic environment model are respectively established in this paper
Summary
Fresh agricultural products refer to primary agricultural and livestock products produced or planted by farmers, without or with a small amount of processing, which should not be kept for too long at room temperature [1]. Processing and marketing enterprises (hereafter referred to as enterprises) are the core functional nodes of the supply chain, which are characterized by large capital, large production scale, centralized factory locations, strong storage capacity and market leadership. They depend on each other, and the cooperation modes such as mutualism and parasitism are diversified.
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