Oil-tea camellia planting water and fertilizer integrated device capable of applying fertilizer on leaf backs

The invention discloses a camellia oleifera planting water and fertilizer integrated device capable of fertilizing leaf backs, which comprises a main pipe and a connecting pipe, a valve is connected between the main pipe and the connecting pipe, the end part of the connecting pipe is provided with a shunt pipe, the end part of the shunt pipe is provided with a four-way joint, and the four-way joint is connected with a liquid spraying structure. The invention relates to a camellia oleifera planting water and fertilizer integrated device with fertilized leaf backs, and belongs to the technical field of camellia oleifera planting, a protection box can protect a valve and other structures to a certain extent, the integrity of the corresponding structures is guaranteed, meanwhile, operation is facilitated when needed, a liquid spraying structure is installed through an installation structure, and the operation is convenient. Installation is conducted in an inserting connection mode, installation is convenient and