PROBLEM TO BE SOLVED: To provide a farmland management system capable of accurately managing a short-term work history for a field for each unit section by grasping the farmland in a subdivided state. A farmland management system is newly operated with a storage unit 32 that stores farmland information including at least a planted crop name and a planted area related to a farmland managed by a farmer in association with a field plot number for each unit plot. A reception unit 31 that receives a new field division number corresponding to a farmland from a user, and a new farmland information regarding the field division indicated by the field division number when a new field division number is input from the user to the reception unit 31. A farmland information requesting unit 34A that requests input from a user, and a processing unit 34 that stores a new field section number and new farmland information in a storage unit 32 in association with each other are provided. [Selection diagram] Fig. 2
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