Root quantitative fertilization device

Abstract

The utility model relates to the technical field of fertilizing equipment, in particular to a root quantitative fertilizing device which comprises a sleeve pipe, a shell connected to the bottom of the outer side of the sleeve pipe, a connecting block placed at the bottom of the shell, a connecting rod installed on one side of the connecting block, extending into the shell and provided with a sealing block, and one side of the sealing block abuts against the inner wall of the sleeve pipe. A piston is arranged in the sleeve pipe, a piston rod is arranged on the piston, and a scale groove is formed in the piston rod. According to the device, the bottom of the shell is blocked through the connecting block, so that after the shell is inserted into the ground, the connecting block can block an outlet in the bottom of the shell, and the outlet in the bottom of the shell cannot be blocked by soil.

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