An optimization model for the combined planning and harvesting of sugarcane with maturity considerations

Romulo Ramos, Paulo Isler, Helenice de Oliveira Florentino, Dylan Jones, Jonis Nervis

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Abstract

Planting and harvesting are important stages in the sugarcane crop cycle, because well planned planting and harvesting phases promote a series of benefits throughout the cultivation cycle and in the subsequent industrial use of the products. These benefits are operational, economic and environmental such as: improved utilization of the land area and transport logistics; an increase in sugarcane output; better cane reception in the factory; in administrative simplification of the industrial activities; in enhanced response to the demands of the industry; in cost planning; and in the control of pests and weeds. In this work a methodology of optimal cultivation planning to sugarcane planting and harvesting is proposed. The cultivation plan is for 5 years; and key decisions to be made in this period are to determine the planting date, the variety selection and the harvesting date corresponding for each plot such that the global production is optimized. We propose a mathematical model for this optimization task. The model uses computational and mathematical strategies to ensure that date of harvesting is always in period of the maximum maturation of the sugarcane and considers all demand and other operational constraints of the processing mill. The binary nonlinear optimization model was solved by a proposed genetic algorithm, giving an optimum plan with a potential sugarcane production 17.8% above production obtained by conventional means in the mill.
Original languageEnglish
Pages (from-to)3950-3958
Number of pages9
JournalAfrican Journal of Agricultural Research
Volume11
Issue number40
DOIs
Publication statusPublished - 6 Oct 2016

Keywords

  • renewable energy
  • Agriculture

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  • Production and management of sugarcane biomass: process optimization

    de Oliveira Florentino, H., Vaz Pato, M., Jones, D. F. & Cantane, D., 2015, Biomass production and uses. Jacob-Lopes, E. & Queiroz Zepka, L. (eds.). Intech, p. 11-28

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