Field-planting puncher for ridge-planting crop plants

The utility model discloses a field-planting puncher for ridge-planting crop plants. The field-planting puncher comprises a handle, a spacing control component, a row spacing regulating scale component, a depth regulating scale component and an soil sampling cutter component, wherein the spacing of a required ridge hole for planting the ridge crops and depth of the ridge hole are regulated through a row spacing regulating scale, a depth regulating scale, a row spacing marking device, and a telescopic row spacing marking cutter; the soil sampling component is composed of a ring-shaped soil sampling component connecting rod and an arc-shaped soil sampling ring cutter component which are symmetrically and correspondingly arranged; the arc-shaped soil sampling ring cutter component is composed of a puncher which is in the shape of an opening-closing hole in a hole cavity and in the shape of a conical cavity in a closing hole, and an soil sampling cutter closing auxiliary ring. The field-planting puncher realizes slightly inserting the cavity into soil and reduces large holes in the soil after extruding, so that the soil is conveniently poured out from a rear hole cavity opening after the sampling. The field-planting puncher for ridge-planting crop plants provided by the utility model can greatly improve the planting efficiency for on-ridge transplanted crops, is time-saving, labor-saving, simple and convenient to operate, suitable for being widely popularized and applied in an agricultural large field, and wide in practicability.