LONGITUDINAL DEEP-INSERTING FERTILIZATION APPARATUS FOR OLD TREE

The present disclosure belongs to the technical field of tree planting, and in particular to a longitudinal deep-inserting fertilization apparatus for an old tree, including a base and brackets, where four corners of a bottom of the base are provided with universal wheels, a through hole is formed in a middle of a top of the base, four corners of the top of the base are provided with columns of which tops are provided with a workbench, a cylinder is arranged at a top of the workbench, and a bottom output end of the cylinder penetrates through the workbench and is provided with a drill rod; and the brackets are arranged on both sides of the top of the workbench, fertilizer storage tanks are arranged at tops of the brackets, material supplementing ports are arranged at tops of the fertilizer storage tanks, bottoms of the fertilizer storage tanks penetrate through the workbench and are provided with discharging tubes, and electromagnetic valves are arranged on the discharging tubes. With a reasonable structure, the longitudinal deep-inserting fertilization apparatus can dig a pit automatically, reduce the labor intensity, apply a plurality of fertilizers at one time and improve the fertilization efficiency during use.