Journal
DISCRETE DYNAMICS IN NATURE AND SOCIETY
Volume 2018, Issue -, Pages -Publisher
HINDAWI LTD
DOI: 10.1155/2018/4945728
Keywords
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Funding
- National Natural Science Foundation of China [11371230, 11501331]
- SDUST Research Fund [2014TDJH102]
- Shandong Provincial Natural Science Foundation, China [ZR2015AQ001, BS2015SF002]
- Joint Innovative Center for Safe and Effective Mining Technology and Equipment of Coal Resources
- Open Foundation of the Key Laboratory of Jiangxi Province for Numerical Simulation and Emulation Techniques, Gannan Normal University, China
- SDUST Innovation Fund for Graduate Students [SDKDYC170225]
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The application of pest management involves two thresholds when the chemical control and biological control are adopted, respectively. Our purpose is to provide an appropriate balance between the chemical control and biological control. Therefore, a Smith predator-prey system for integrated pest management is established in this paper. In this model, the intensity of implementation of biological control and chemical control depends linearly on the selected control level (threshold). Firstly, the existence and uniqueness of the order-one periodic solution (i.e., OOPS) are proved by means of the subsequent function method to confirm the feasibility of the biological and chemical control strategy of pest management. Secondly, the stability of system is proved by the limit method of the successor points' sequences and the analogue of the Poincare criterion. Moreover, an optimization strategy is formulated to reduce the total cost and obtain the best level of pest control. Finally, the numerical simulation of a specific model is performed.
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