PROBLEM TO BE SOLVED: To provide field water management systems that can flexibly respond so that the required amount of irrigation water at a required time can be stably supplied to the field.SOLUTION: Provided is a field water management system that manages the supply of irrigation water to a field group 10 which is an assembly of a field 1, the system comprising: a field water supply schedule generation unit 21C that generates a water supply schedule for each field for a predetermined period of time； and a field water supply control unit 21B that controls a water supply apparatus of each field according to the water supply schedule generated by the field water supply schedule generation unit, the field water supply schedule generation unit being configured to order the fields to be water-supplied so that the predetermined water supply amount is maintained within a range that does not exceed the maximum allowable water supply amount supplied to the field group in the predetermined period of time.SELECTED DRAWING: Figure 3COPYRIGHT: (C)2020,JPO&INPIT【課題】必要な時期に必要な量の灌漑用水を安定的に圃場に給水できるように柔軟に対応できる圃場水管理システムを提供する。【解決手段】圃場１の集合体である圃場群１０に対して灌漑用水の給水を管理する圃場水管理システムであって、所定期間の各圃場への給水スケジュールを生成する圃場給水スケジュール生成部２１Ｃと、圃場給水スケジュール生成部により生成された給水スケジュールに従って各圃場の給水装置を制御する圃場給水制御部２１Ｂと、を備え、圃場給水スケジュール生成部は、所定期間に圃場群に供給される許容最大給水量を超えない範囲で、所定の給水量が維持されるように給水対象となる圃場を順序付けするように構成されている圃場水管理システム。【選択図】図３
