Mathematical models of inventory-distribution routing problem for two-echelon agriculture products distribution network are\r\nestablished, which are based on two management modes, franchise chain and regular chain, one-to-many, interval periodic order,\r\ndemand depending on inventory, deteriorating treatment cost of agriculture products, start-up costs of vehicles and so forth. Then,\r\na heuristic adaptive genetic algorithmis presented for the model of franchise chain. For the regular chain model, a two-layer genetic\r\nalgorithmbased on oddmentmodification is proposed, inwhich the upper layer is to determine the distribution period and quantity\r\nand the lower layer is to seek the optimal order cycle, quantity, distribution routes, and the rational oddment modification number\r\nfor the distributor. By simulation experiments, the validity of the algorithms is demonstrated, and the two management modes are\r\ncompared.
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