Farmland drip irrigation device and drip irrigation method based on photovoltaic power generation

The invention discloses a farmland drip irrigation device based on photovoltaic power generation and a drip irrigation method, relates to the technical field of photovoltaic and agriculture combination, provides electric energy for drip irrigation by utilizing photovoltaic power generation, and can perform simultaneous application of water and fertilizer. Comprising a photovoltaic power generation module and a drip irrigation assembly, the drip irrigation assembly comprises a reservoir, a storage box, a water pipe and a drip irrigation belt, the reservoir is connected with the storage box through a pipeline, a water pump is arranged on the pipeline, the storage box is connected with the drip irrigation belt through the water pipe, and the drip irrigation belt is lower than the storage box; an irrigation electric valve is arranged on the water conveying pipe, a fixing assembly is arranged on the drip irrigation belt and comprises an inserting rod, a moisture probe is arranged on the lower portion of the insert