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Efficient Harvesting of Saffron Using Integer Programming

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  • Kheybari, Siamak
  • Bokaeyan, Amir
  • Yazd, Seyed Ali Naji Nasrabadi

Abstract

Among various products available in agriculture, saffron plays a major role in contributing to Iran's gross domestic product and per capita income growth. Due to shortage of workforce and short duration of harvesting, areas under cultivation of saffron in Iran will be declining in coming years. Thus, proper planning for optimum use of workforce is one of the most important techniques to access efficient harvesting. In this regard, an integer programming model is proposed to solve the problem in this paper. Number of working shift and working hours in each shift are among decision variables in the proposed model, which satisfy the objective function, i.e. minimizing the total cost of workforce, with constrains including number of working hours in each shift, speed of workforce, number of fields that should be harvested in each day and relationship between working hours of each worker and the cost allocated­­­­. To evaluate the proposed model, we employ the data collected from fields located in different areas of Qaen, South Khorasan province, Iran. By comparing the output of the proposed model to the real situation, the ability of the model is confirmed. Finally, concluding remarks and suggestions for future research are provided.

Suggested Citation

  • Kheybari, Siamak & Bokaeyan, Amir & Yazd, Seyed Ali Naji Nasrabadi, 2020. "Efficient Harvesting of Saffron Using Integer Programming," International Journal of Agricultural Management and Development (IJAMAD), Iranian Association of Agricultural Economics, vol. 10(3), September.
    • Handle: RePEc:ags:ijamad:335133
    DOI: 10.22004/ag.econ.335133
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    References listed on IDEAS

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    1. Goel, Asvin & Meisel, Frank, 2013. "Workforce routing and scheduling for electricity network maintenance with downtime minimization," European Journal of Operational Research, Elsevier, vol. 231(1), pages 210-228.
    2. Castillo, Ignacio & Joro, Tarja & Li, Yong Yue, 2009. "Workforce scheduling with multiple objectives," European Journal of Operational Research, Elsevier, vol. 196(1), pages 162-170, July.
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