PROBLEM TO BE SOLVED: To provide a nutrient solution soil cultivation system that can easily be introduced even by a personal business operator and can realize high-quality control, and provide a nutrient solution soil cultivation control server, a nutrient solution soil cultivation control program and a controller.SOLUTION: A nutrient solution soil cultivation system comprises: a controller for transmitting data of a sensor to a nutrient solution soil cultivation control server, and controlling a water-supply valve, a cultivation undiluted solution supply valve and a discharge valve based on the data received and a nutrient solution soil cultivation control server for calculating the control amount of the water-supply valve, the cultivation undiluted solution supply valve and the discharge valve, based on the data of the sensor received from the controller, and replying to the controller.SELECTED DRAWING: Figure 1COPYRIGHT: (C)2018,JPO&INPIT【課題】個人事業者でも容易に導入することができ、かつ高度な制御を実現することが可能な養液土耕システム、養液土耕制御サーバ、養液土耕制御プログラム及びコントローラを提供する。【解決手段】養液土耕システムは、センサのデータを養液土耕制御サーバに送信し、受信したデータに基づいて水供給弁、培養原液供給弁及び吐出弁を制御するコントローラと、コントローラから受信したセンサのデータに基づいて、水供給弁、培養原液供給弁及び吐出弁の制御量を算出してコントローラに返信する養液土耕制御サーバよりなる。【選択図】図1
