PROBLEM TO BE SOLVED: To provide a plant water supply management system capable of evaluating an amount of water vapor continuously evaporated for a long time and controlling water supply.SOLUTION: The plant water supply management system is provided with evaluation means for evaluating an amount of water vapor released from pores of plant leaves and water supply control means for controlling water supply to plants on the basis of a detection result by the evaluation means in which the evaluation means includes a moisture absorbing material (12) for trapping the water vapor, a sensor (13) for evaluating a moisture absorption amount of the moisture absorbing material (12), and drying means for sending dry air to the moisture absorbing material (12) and drying the same (12).SELECTED DRAWING: Figure 4COPYRIGHT: (C)2019,JPO&INPIT【課題】長期間、継続的に蒸散する水蒸気量を評価して給水管理ができる植物の給水管理システムを提供する。【解決手段】植物の葉の気孔から放出される水蒸気の量を評価する評価手段と、この評価手段での検出結果に基づいて植物への給水を制御する給水制御手段とを備えた植物の給水管理システムにおいて、評価手段が、水蒸気をトラップする吸湿材(12)と、この吸湿材(12)の吸湿量を評価するセンサ(13)と、吸湿材(12)に乾燥させた空気を送って吸湿材(12)を乾燥させる乾燥手段とを有する【選択図】図4
