Abstract
Scheduling problems in agriculture are often solved using techniques such as linear programming (the multi-period formulation) and dynamic programming. But it is difficult to obtain an optimal schedule with these techniques for any but the smallest problems, because the model is unwieldly and much time is needed to solve the problem. Therefore, a new algorithm, a heuristic, has been developed to handle scheduling problems in agriculture. It is based on a search technique (i.e. hill-climbing) supported by a strong heuristic evaluation function. In this paper the heuristic performance is compared with dynamic programming. The heuristic offers near-optimal solutions and is much faster than the dynamic programming model. When tested against dynamic programming the difference in results was about 3%. This heuristic could probably also be applied in an industrial environment (e.g. agribusiness or road construction).
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