Plot experiment fertilization system for fertilizer drip irrigation and installation method of plot experiment fertilization system

The invention discloses a plot experiment fertilization system for fertilizer drip irrigation and an installation method of the plot experiment fertilization system. The plot experiment fertilization system comprises a drip irrigation pipeline and a fertilization pipeline. The drip irrigation pipeline comprises PVC soft belts, pipeline communicating pieces, a ball valve and drip irrigation belts. The fertilization pipeline is connected to the drip irrigation pipeline in parallel and comprises a fertilization tank, material conveying pipelines and pipeline communicating pieces. The fertilization tank is provided with a water inlet, a water outlet, a drainage outlet and a charging opening. The water inlet is connected with one material conveying pipeline and a branch pressure ball valve I through a lock catch elbow. The branch pressure ball valve I is connected to the water inlet end of the ball valve in the drip irrigation pipeline through a spigot and socket tee. The water outlet is connected with the other m