A testing device for integrated irrigation and disinfection, mainly comprising a centrifugal pump, pressure sensors (22, 29), flow sensors (21, 23), an ion concentration sensor, a control system, etc., and has comprehensive functions of fertigation, spray and drip irrigation load simulation, water and fertilizer parameter detection, fertilizer absorbing channel parameter detection, backflow channel parameter detection, etc. furthermore, the detection of nutrient ion concentration information of a nutrient solution is combined effectively with the aspects of irrigation, dynamic preparation of a nutrient solution, disinfection of a nutrient solution, etc., therefore realizing a high-precision dynamic preparation of a nutrient solution and irrigation area load simulation, and satisfying the requirements on a test system during a research and development process of an irrigation and fertigation system. The testing device is applicable to the research on the techniques and the development of a system for precise irrigation and accurate preparation of a nutrient solution in the field of facility agriculture.
