Intelligent greenhouse water and fertilizer integrated irrigation circulation system

The invention provides an intelligent greenhouse water and fertilizer integrated irrigation circulation system. The system comprises a greenhouse main body; the irrigation circulating mechanism is arranged in the greenhouse main body, and the irrigation circulating mechanism comprises a substrate cultivation subsystem, a nutrient solution recycling subsystem and a circulating irrigation subsystem; the control mechanism is arranged in the greenhouse body and used for monitoring and adjusting environmental parameters in the greenhouse body in real time, crops are planted on the substrate cultivation subsystem, a cultivation substrate for crop growth can be provided, and excessive water and fertilizer can be collected through the nutrient solution recycling subsystem; in addition, the control mechanism can automatically monitor environmental parameters including temperature, humidity, CO2 concentration, light and the like and can automatically adjust the parameters, so that the environment in the greenhouse is k