Sustainable vegetable crop supply problem

Lana Mara R. dos Santos, Alysson M. Costa, Marcos N. Arenales and Ricardo Henrique S. Santos

European Journal of Operational Research, 2010, vol. 204, issue 3, 639-647

Abstract: We consider an agricultural production problem, in which one must meet a known demand of crops while respecting ecologically-based production constraints. The problem is twofold: in order to meet the demand, one must determine the division of the available heterogeneous arable areas in plots and, for each plot, obtain an appropriate crop rotation schedule. Rotation plans must respect ecologically-based constraints such as the interdiction of certain crop successions, and the regular insertion of fallows and green manures. We propose a linear formulation for this problem, in which each variable is associated with a crop rotation schedule. The model may include a large number of variables and it is, therefore, solved by means of a column-generation approach. We also discuss some extensions to the model, in order to incorporate additional characteristics found in field conditions. A set of computational tests using instances based on real-world data confirms the efficacy of the proposed methodology.

Keywords: Linear; programming; Crop; demand; Crop; rotation; Column-generation (search for similar items in EconPapers)
Date: 2010
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Citations: View citations in EconPapers (21)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:ejores:v:204:y:2010:i:3:p:639-647

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