Water and fertilizer integrated regulation irrigation system and irrigation method

The invention relates to the technical field of irrigation, in particular to a water and fertilizer integrated regulation irrigation system and an irrigation method.The water and fertilizer integrated regulation irrigation system comprises a central control information processing module which is in communication connection with a water quality information collection module, a planting forest information collection module, a water quality improvement module and a hillside filter plate monitoring module; the signal output end of the central control information processing module is electrically connected with a wireless network transmission module, the wireless network transmission module is in communication connection with a man-machine information exchange module, and the central control information processing module compiles data transmitted by a water quality information acquisition module, a planting forest information acquisition module and a water quality improvement module; the compiled data is transmitt