Water-fertilizer integrated management system and operating method thereof

The invention provides a water-fertilizer integrated management system and an operating method thereof. The water-fertilizer integrated management system comprises an image acquisition unit, a humidity detection unit, a PH value detection unit, a central processing unit and a cloud server. The image acquisition unit is used for acquiring images of current to-be-irrigated plants; the humidity detection unit is used for detecting current soil humidity; the PH value detection unit is used for detecting a current soil PH value; the central processing unit receives the images of the current to-be-irrigated plants, the current soil humidity and the PH value and uploads to the cloud server; the cloud server outputs types of the current to-be-irrigated plants and different growth periods accordingto a preset plant classification model, and then matched irrigation schemes are searched from a pre-stored irrigation scheme database according to the current soil humidity, the PH value and known to-be-irrigated areas and s