Fertilizing device for sweet cherry planting

The invention relates to a fertilizing device for sweet cherry planting, which is applied to the field of fruit tree planting, and comprises a fertilizing tank, a fertilizing ring, a filtering switching valve assembly and an intelligent fertilizing detector, the fertilizing ring is buried in soil on the outer circle of the root of a fruit tree, and the fertilizing ring is communicated with the output end of an auxiliary pipeline; the filtering switching valve assembly is installed at the joint of the main pipeline and the auxiliary pipeline, the filtering switching valve assembly comprises a valve body and a valve element rotationally connected to an inner cavity of the valve body, and the outer wall of the inner cavity of the valve element is provided with a first through hole corresponding to the main inlet, a second through hole corresponding to the auxiliary outlet and a third through hole corresponding to the main outlet; the intelligent fertilization detector is provided with a fertilization analysis mo