Semi-automatic tree planting hole digging gun

The utility model belongs to the field of agricultural tools. The utility model relates to a hole digging tool, in particular to a semi-automatic tree planting hole digging gun. The soil sampler is characterized by comprising a handle part, a soil sampler and a pedal plate, the handle part comprises a handle, a gun handle, an excitation device, a spring and a clamp spring; the soil sampler comprises a steel pipe, a piston and an ejector rod; the semi-automatic tree planting hole digging gun has the advantages of being small in area of a soil hole structure damaging earth surface soil or ploughlayer soil and capable of achieving water retention and soil moisture conservation of a small-opening deep pit and meeting the requirement for fertilizer efficiency of plant root systems. And under the same land condition and environment condition, the efficiency can be improved by 16 times compared with that of traditional artificial tree planting. Therefore, the tree planting efficiency is greatly improved, the sapling